鉆粒鉆進 的英文怎麼說
中文拼音 [zhēnlìzhēnjìn]
鉆粒鉆進
英文
calyx boring-
For the most part he lounged about, dressed in excellent tailored suits of imported goods, a solitaire ring, a fine blue diamond in his tie, a striking vest of some new pattern, and a watch - chain of solid gold, which held a charm of rich design, and a watch of the latest make and engraving
大部分時間里,他在店裡悠閑地走動,身上穿的是用進口衣料精工製作的高級服裝,戴著單粒鉆石戒指,領帶上別著一顆漂亮的藍鉆石,引人注目的新潮西裝背心,一條足金錶鏈,表鏈上掛著個造型精巧的小飾物和一個最新款式的掛表。Since the pebble structure is of big pellet easy to be permeated ant it is difficult to smash and drill, the appliance with big diameter and deep cast - in - place pile has been greatly restricted
卵石地基具有顆粒大、透水性強、進尺和破碎困難、容易垮孔等困難,限制了大直徑深孔鉆孔灌注樁在其中的應用。A deformational particle with oil - soluable property is used as a bridge plug to build a shielding layer in the oil - gas reservior channel, to prevent the pollution caused by drilling mud entering the reservior due to the pressure difference, and so to protect the oil - gas reservior
摘要用一種具有油溶性質的可變形粒子做橋塞物,在油氣儲層通道中建立橋堵屏蔽層,防止由於壓差造成鉆井泥漿進入儲層而形成污染,從而起到保護油氣儲層的作用。In the first half he was lobbed by massimo ambrosini from the most bizarre of angles, before then conceding a penalty from which kaka scored
在上半場,他把守的大門被安布羅西尼用一粒角度刁鉆的進球攻破,隨后再次被卡卡的點球洞穿To ensure the charging pump working reliably, the following measures should be adopted : ( 1 ) adopting modified circular casing to reduce the radial force of the impeller and decrease the seal clearance ; ( 2 ) using radical ribs on impeller and helical sealing on shaft to realize minor pressure differential ; ( 3 ) using back pressure stuffing box to ensure sealing under small packing force ; ( 4 ) adopting self - lubricant flexible graphite stuffing for absorption of solids entering in the graphite in case of leaking
為確保灌注泵可靠工作,提出改進措施: ( 1 )採用改型環形泵體降低葉輪的徑向力,減小軸封間隙,抑制泄漏; ( 2 )採用背葉片降低葉片根部壓頭,獲得微壓,使軸封兩端承受較小壓差; ( 3 )採用螺旋密封降低軸封兩端壓差,在保持微壓的同時避免出現負壓,密封效果更好; ( 4 )採用反壓式填料密封結構,在很小的壓緊力下,即可保證密封; ( 5 )採用具有潤滑功效的柔性石墨填料,即使發生軸封泄漏,進入石墨內部的固相顆粒也將隨著石墨的消耗而被鉆井液吸收。Many bore holes in shuangwangcheng reservoir which lies in the sedimentary area are drilled and lots of terra drill data are collected. five typical sections, i. e. section i ? i, ii ? i, iii ? ii, iv ? v ' and v ? v are drawn. the vertical sedimentary sequence of this sedimentary area is divided cbmbining the granularity features of sediments
課題組與山東省水利勘測設計院合作,對湖區內的雙王城水庫進行了鉆探研究,搜集了大量的地質鉆孔資料,經沉積物巖性特徵分析,繪制出雙王城水庫外圍1km處圍繞水庫的5個典型剖面(即剖面? 』 、 ? 』 、 ? 』 、一』和? 』 )的剖面圖,結合沉積物粒度特徵,劃分出該沉積區的垂向沉積序列。After the various visual defects during drilling processes were analyzed, the importance of drilling with compressive pre stress was presented
以加工效率為指標,通過正交試驗對鉆頭的磨料粒度、濃度、水槽數和壁厚等因素進行了優化分析,確定了適宜的刀具參數。We use the ultra fime grain tungsten carbide material imported from germany for producing the drills
本公司的產品是採用德國進口的超微粒碳化鎢鋼素材,以提升鉆頭的切削性能。分享友人