Beijing Fuxing the pipeline Equipment co., Ltd. is a professional production and sale of the pipe trench integrated companies.
北京金福星管道设备有限公司是一家专业生产、销售沟槽管件的综合性公司。
The inspection would provide critical reference not only for the rectification of pipe trench, but also for the design of the future generation of pipe trench.
检测数据将为核工业在役管沟的整改以及下一代管沟的设计提供重要依据。
Pipe which has been checked for holidays at the double-joint yard shall be re-checked prior to installation in the trench.
双面漏涂检查过的管子在下管沟安装之前再次检查一遍。
Backfilling the trench following the lowering-in of the pipe is carried out by angledozers or backfilling attachments to tractors.
管子下入管沟后，由侧铲推土机或装有回填附件的拖拉机回填管沟。
The final inspection of the coating, before the pipe is put into trench, being carried out by a holiday detector which applies a high voltage current across the coating.
在管子放入管沟前，利用覆盖层检查仪对管道覆盖层进行最后的检查，它在覆盖层的两侧施加高压电。
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。
The initial explosion, we now know, involved hydrogen gas that had been leaking into the trench from a large hole in the vent pipe.
我们现在已经知道，初始爆炸是氢气泄漏到管道沟导致的。
The initial explosion, we now know, involved hydrogen gas that had been leaking into the trench from a large hole in the vent pipe.
我们现在已经知道，初始爆炸是氢气泄漏到管道沟导致的。
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