pipe laid down into trench
pipe laid down into trench
管子埋在沟里
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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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