Mechanical strength of pipe coating and its thickness of standard paintcoat must be ensured in the pipe coating production lines,two pipes in the course of coating must be flexibly jointed.
管道
敷生产线要保证管件敷
机械强度及标准厚度,两根管子在敷过
中要保证柔性顶接,连接
有缝隙。
Mechanical strength of pipe coating and its thickness of standard paintcoat must be ensured in the pipe coating production lines,two pipes in the course of coating must be flexibly jointed.
管道敷生产线要保证管件敷机械强度及标准厚度,两根管子在敷过中要保证柔性顶接,连接有缝隙。
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