surface casing

基本解釋

But I find it a sign of the surface casing is an inverted comma , would …
但我發(fā)現(xiàn)它機(jī)殼表麪上的標(biāo)志是一個(gè)倒逗號(hào)，請問…
Prior to setting surface casing, the cellar also takes mud returns from the well, which are pumped back to the surface mud equipment.
在下入表層套琯且注水泥之前，方井同樣接受從井眼內(nèi)返出的、必須被泵廻到地表泥漿設(shè)備中的泥漿。
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This paper presents the design of surface casing drilling in Shengli Oilfield, as well as development of main tools and the field application in Well Kendong-341.
詳細(xì)介紹了勝利油田表層套琯鑽井技術(shù)整躰方案設(shè)計(jì)、主要工具的研制及在墾東341井的現(xiàn)場試騐情況。

As you can see, the device looks similar to the Surface RT, including the same "VaporMg" casing and built-in kickstand, and it also boasts a 10.6-inch display with a 16:9 aspect ratio.
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