薄壁管道 的英文怎麼說
中文拼音 [bóbìguǎndào]
薄壁管道
英文
sheet-metal duct- 薄 : 名詞[方言] (浮萍) duckweed
- 壁 : 名詞1 (墻) wall (of a house etc ) : 銅墻鐵壁 bastion of iron2 (作用像圍墻的部分) wall of st...
- 管 : Ⅰ名詞1 (管子) pipe; tube 2 (吹奏的樂器) wind musical instrument 3 (形狀似管的電器件) valve;...
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 管道 : [工業] pipeline; channel; tunnel; piping; canalis; pipe run; duct; conduit; conduit pipe; ducting...
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We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips, and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone, and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem, and rays are rather rich in secondary xylem
結果表明:氣生不定根具有以下結構特徵和發育特點: ( 1 )根為二原型,側根正對著木質部發生; ( 2 )幼根內皮層細胞具凱氏帶加厚,維管柱內緊挨中柱鞘內側具有2 ~ 4層大型薄壁細胞; ( 2 )根中無髓和樹脂道; ( 4 )次生結構發生於根毛區,維管形成層由初生木質部和初生韌皮部之間的薄壁細胞轉化形成; ( 5 )中柱鞘和栓內層細胞富含單寧類物質; ( 6 )次生韌皮部有石細胞,次生木質部射線發達。According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing
針對吸水變形、霉變主要發生在地板企口表面的特徵,採用企口表面全封閉法,在復合強化地板企口表面噴塗特殊的防水封閉劑,使其依靠毛細管作用及滲透作用進入板內一定深度,堵塞木纖維之間的空隙及毛細孔通道,截斷水分傳遞的渠道,並改變毛細孔壁及纖維的表面性質以不利於水的浸潤與吸附,同時其固化后能在企口表面形成一層緻密的憎水薄膜,防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉等現象。The steady dead generation and time that was caused by the isolated virus was certain by chicken embryo which was inoculated on seven or nine days. the histopathological changs of the infectious stunting syndrom were studied by the way of ordinary paraffin section and he dying. the experimental result were as follows : the test proved that the changes of the chicken embryo were different in different stage. the chicken embryo dead in a week after it inoculated. the body was dropsy and hemorrhage. dead before it hatched out, the embyo body were dropsy, pale and slime. the liver was yellow and swolled, gallbladder ( vesica fellea ) was filled with bile. bursa and glandula thymus analosis. the kindey dropsy. bowel lamina were humble, dilatation. gas and yellow foam were filled the bowel. histopathological changes were that, in early stage, obvious changes of liver and kindey were dropsy, hemorrhage and necrosis. two types eosinophilic intranuclear inclusion bodies including large round and little granular were present in cells of the above organs. the obvious changes of bursa were dropsy, adverse folliiculated growth and little lymphocytes proliferating, 19 - 21 days chicken embryo, one or two big empty vacuoles were prensent in cells of liver and kindey. the number of the folliculi was growing, the vacuoles between cells were larger
膽囊充盈、其內充滿稀薄的膽汁;法氏囊、胸腺萎縮,腸道擴張、腸壁菲薄、內充滿氣體及黃色泡沫狀物;腎臟腫大。病理組織學變化方面,早期肝臟、腎臟、腸主要以出血、水腫和壞死為主,且肝細胞核及腎小管的上皮細胞核內均發現有核內包涵體,包涵體呈嗜酸性,為大型圓形包涵體或不規則的顆粒狀;法氏囊則以水腫、濾泡發育不良、小型淋巴細胞數量增多為主。 19 21日齡雞胚肝細胞、腎小管上皮細胞的胞漿內出現1 2各大的空泡,法氏囊濾泡數目增多細胞間有較大空隙。We are the exclusive producer of the planetary tube and pipe cutting machine in china. by totally eliminating problems occurred frequently in competitors product, such as pipe deformation, burring, and slant cutting, our machine is suitable for cutting almost all kinds of metal pipe and shows outstanding advantage, especially for thin - wall stainless steel pipe. these advantages make it the best choice for manual tig, wig welding, and orbital welding
公司本次特推出行星式切管機,國內唯一,適用於幾乎所有金屬管道的切割,特別是對薄壁不銹鋼管的切割,其優點尤為突出,克服了一般切割機管道易變形毛刺多切口不垂直的缺點,是統一配套的手工氬弧焊機管管焊機的唯一正確選擇。Corrosion and pitting defects in pipe work are major problems in the oil, chemical, and other industries
管道的腐蝕、壁厚減薄等缺陷是石油、化工和水暖工業中面臨的主要問題。On the ultrasonic inspection of the thin wall pipe ring welds used in the oil amp; amp; gas long - distance pipeline
石油天然氣長輸管道薄壁管環焊縫超聲波探傷Carastrophe fracture of thin - wall pressure tubes
薄壁壓力管道的突然破裂These defects can occur at the outer or inner surface of the pipe and can lead to a serious loss of pipe wall thickness
這些缺陷既可能發生在管道外壁又可能發生在管道內壁,通常致使管道壁厚減薄。In the irrigation works, the plastics pipe is used in many areas. with the development of technology of low pressure pipe in the irrigation, we need to manufacture new plastics pipe which is used in the irrigation system
在水利工程中,塑料管材的應用也很廣泛,隨著低壓管道輸水灌溉技術的發展,需要研製出適用於農田管道輸水系統的輕型薄壁硬塑料管,以降低管材的造價。Extra - thin - wall stainless steel and plastic composite pipeline
超薄壁不銹鋼復合管道Technical specification for extra - thin - wall stainless steel and plastic composite pipeline engineering of building water supply
建築給水超薄壁不銹鋼塑料復合管管道工程技術規程The zhengyu pkc type sprinkler pipe adopt aluminum tubing with large deflection angle quick assembles coupling use for complex landform transport water and sprinkle
Pkc型球接頭移動噴灌管道,採用薄壁高強鋁合金管,配套大偏角、鍍鋅鋼制球接頭,具有偏轉角度大,密封性能好,方便移動,快速安裝的特點。分享友人