管孔帶 的英文怎麼說

Laboratory glassware ; offset oblique bore burette stopcocks with tail

實驗室玻璃儀器.滴定管用帶角孔的錐形旋塞側滴定管

In this system, the oil pipe be locally magnetized through the longitudial and circumferential direction, the oil pipe be circumvolved by the electromotor, the detector will has a linear movement on the surface of the pipe, so it can realize the combined testing of horizontal flaw ( cankerous pits and cankerous holes etc. ) and vertical flaw ( pole flaw and crack etc )

該系統在油管局部實施軸向和周向磁化，油管由電機主軸帶動旋轉，檢測探頭緊貼油管直線運動，從而實現對腐蝕坑、腐蝕孔等橫向缺陷和桿狀損傷、劈縫等縱向缺陷的綜合檢測。

The new winter ventilation system consisted of a perforated plastic tube.

新的冬季通風系統由帶孔的塑料管組成。

Standard specification for external sealing bands for concrete pipe, manholes, and precast box sections

混凝土管人孔和預制箱形截面用外部密封帶的標準規范

Standard specification for external sealing bands for concrete pipe, manholes, and precast box sections metric

混凝土管人孔和預制箱形截面用外部密封帶的標準規范

The thirty - four species of the sea urchins belong to 7 order, 17 families and 28 genera. the following is the name list, those with an asterisk are the species recorded for the first time in china. order cidaroida family cidaridae * goniocidaris biserialis ( d6derlein ) * stylocidaris bracteata ( a. agassiz ) * stylocidaris ryukyuensis shigei * stereocidaris indica philippinensis mortensen * rhopalocidaris gracilis doderlein order lepidocentroida family echinothuridae * phormosoma bursarium ( a. agassiz ) araeosoma owstoni mortensen asthenosoma ijimai yoshiwara order stirodonta family phymosomatidae glyptocidaris crenularis a. agassiz family arbaciidae * coelopleurus maculata a. agassiz et h. l. clark * coelopleurus undulatus mortensen order aulodonta family diadematidae chaetodiademajaponicum mortensen family pedinidae * caenopedina mirabilis ( d6derlein ) order camarodonta family temnopledridae temnopleurus hardwickii ( gray ) temnopleurus toreumaticus ( leske ) temnopleurus reevesii ( gray ) temnopleurus apodus ( a. agassiz et h. l. clark ) temnotrema sculptum ( a. agassiz ) temnotrema reticulatum mortensen * microcyphus olivaceus ( d6derlein ) * prionechinus forbesianus ( a. agassiz ) family strongylocentrotidae strongylocentrotus nudus ( a. agassiz ) hemicentrotus pulcherrimus ( a. agassiz ) family echinometridae anthocidaris crassispina ( a. agassiz ) order clypeasteroida family clypeasteridae clypeaster virescens doderlein family laganidae * peronellapellucida d5derlein family scutellidae * scaphechinus mirabilis a. agassiz sinaechinocyamus planus liao family fibulariidae fibularia acuta yoshiwara order spatangoida family loveniidae - lovenia triforis koehler echinocardium cordatum ( pennant ) family schizasteridae schizaster lacunosus ( linnaeus ) family brissidae * gymnopataqus magnus ( a. agassiz & h. l. clark ) family spatangidae * spatangus luetkeni a. agassiz among the species reported, the following species call for notes or simple descriptions

本文根據th . mortensen （ 1928 - 1955 ）海膽專著（ amonographoftheechinoidea ）中的主要分類依據，將海膽綱分為8個目： 1 ）頭帕目（ cidaroidea ）有齒器，圍肛部在頂系內，圍口部有步帶板和間步帶板，大棘很大，有外皮層，無球棘； 2 ）鱗棘目（ lepidocentroida ）有齒器，圍肛部在頂系內，圍口部僅有步帶板，大棘不很大，無外皮層，有球棘； 3 ）脊齒目（ stirodonta ）有齒器，圍肛部在頂系內，齒器的齒有脊，橈骨片在齒上方不相接，顎孔開放； 4 ）管齒目（ aulodonta ）齒器的齒無脊，圍肛部在頂系內； 5 ）拱齒目（ camarodonta ）有齒器，圍肛部在頂系內，齒器的齒有脊，橈骨片在齒上方相接，顎孔封閉； 6 ）全雕目（ holectypoida ）有齒器，但不發達或完全被吸收，圍肛部在頂系外，步帶不形成瓣狀和葉鰓； 7 ） ?形目（ clypeasteroida ）齒器發達，圍肛部在頂系外，步帶形成瓣狀，無葉鰓； 8 ）蝟團目（ spatangoida ）無齒器，圍肛部在頂系外，葉鰓發達，步帶形成瓣狀。

Special thermowell is manufactured from drilled bar stock to withstand pressure morethan 6. 4mpa, together with convenience in installation for movable connector

特製套管帶活動連接頭，安裝方便，整體鉆孔縮徑式套管結構，耐壓6 . 4mpa

" the citadel and a raft of artifacts may help redefine history of india, " said sufi mostafizur rahman, head of the department of archaeology at jahangirnagar university, near dhaka. " the well - planned road with even manholes proves that the citadel was managed by a very efficient administration, " mostafizur added. " i am confident further excavation will lead us to residue of a palace, " he said

達卡賈罕吉爾納加爾大學考古系的系主任考古學家蘇非莫斯塔費祖爾拉赫曼表示， 「這條古代道路當初在建設時顯然經過了細心的設計，它上面甚至還附帶有下水道出入孔，這也可以證明它曾經處在一個工作效率極高的政權的管理下」 。

Dn 10 - dn 20. c d devices to prevent pollution by backflow of potable water - pipe interrupter with permanent atmospheric vent dn 10 to dn 20 - family d, type c

防止飲用水迴流污染的裝置.帶恆定大氣壓力孔的管阻流器

Devices to prevent pollution by backflow of potable water - pipe interrupter with permanent atmospheric vent dn 10 to dn 20 - family d, type c ; german version en 14453 : 2005

防飲用水迴流污染的裝置.帶恆定大氣壓力孔的管阻流器

Devices to prevent pollution by backflow of potable water - pipe interrupter with atmospheric vent and moving element dn 10 to dn 20 - family d, type b

防飲用水迴流污染的裝置.帶大氣壓力孔和移動元件的管阻流器dn10至dn 20 . b型d系列

Vitrified clay pipes and fittings and pipe joints for drains and sewers - requirements for perforated vitrified clay pipes and fittings

排水管和下水道用陶管和管配件及管接頭.帶孔的陶管及配件的要求

Aluminium and aluminium alloys - cold drawn rod bar and tube - part 8 : porthole tubes, tolerances on dimensions and form ; german version en 754 - 8 : 1998

鋁和鋁合金.冷拉棒材和管材.第8部分:帶孔管材.尺寸和

Floor drains class l 15 with cleaning eye - summary

帶清洗孔的l15級地面排水管.一覽表

Floor drains class l 15 with cleaning eye - components

帶清洗孔的l15級地面排水管.部件

Pipes and fittings of longitudinally welded hot - dip galvanized steel pipes with spigot and socket for waste water systems - dimensions

污水系統用帶套管和孔座的縱向焊接的熱浸鍍鋅鋼管和配件.尺寸

Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - system x ; dimensions

污水系統用帶套管和孔座的縱向焊接不銹鋼管和配件.系統x尺寸

Pipes and fittings of longitudinally welded stainless steel pipes with spigot and socket for waste water systems - requirements, testing, quality control

污水系統用帶套管和孔座的縱向焊接不銹鋼管和配件.要求測試和質量控制

Results showed that due to the sharp difference between diameters at the upper and lower parts of the canal, the high - speed air - flow at the lower - end opening can drain the fluid below the opening out while the lower - speed air - flow al the upper opening is not likely to make the saliva and see page in the oral cavity reenter the root cavity

結果發現：由於根管兩端管逕相差懸殊，根尖孔?生的高速氣流沖擊，吸引根尖液，可引流低於根尖孔的液體；另一方面，開髓孔低速氣流不易將口腔內唾液、滲出物重新帶入根尖腔。

Stud ends, ports, for fittings, valves - plug screw with whitworth pipe thread - general outlay of types

管件和閥門用管堵和螺紋孔.帶惠氏管螺紋的螺塞.各類