Where ground water is encountered, it shall be kept below the pipe by means of pumping until the pipe has been satisfactorily tested and backfilled.
如地下水中遇到的,它应保持低于管的方式抽水,直到管道已得到令人满意的测试,并回填。
All pipe lines, valves, and nozzles shall be isolated from the atmosphere by a blank, pipe cap, or plug when not being used.
当不在操作使用时,所有管线、阀门、和喷嘴应用盲板、管帽、或塞子使其和大气隔开。
Paint pipe clamps gold, and secure towooden board by hammering a nail through the small holes in the pipe clamp.
用涂料把管夹子刷成金色,用锤子和钉子把管夹固定在木板上(钉子钉在管夹上方的小孔里)。
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