Therefore the general construction process scheme is worked out as follows: open trench drainage, work site dried in the sun, conventional butt welding, and pipe laid down into trench.

经过调研和反复现场勘察，确定的总体施工方案为：挖明沟排水，作业带晾晒，正常组对焊接，沉管下沟。

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A new process method, using open annulus distributed holes in place of ring trench as the lateral oxidation Windows, is reported to fabricate vertical-cavity surface emitting laser (VCSEL).

采用一种新工艺制作了垂直腔面发射激光器(VCSEL)，即用开环分布孔取代以往的环形沟道作为氧化物限制技术的注入窗口。

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The suntanned IMF chief wore a black trench coat and an open-necked pale shirt, in contrast to the jeans and sweatshirts of the others waiting to be brought before the judge.

BBC: Dominique Strauss-Kahn in court

Sometimes you see the Iraqi soldiers walking out in the open completely unarmed from one bunker to another, one trench to another.

CNN: Ben Wedeman: Iraqis abandon northern ridge