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
管件敷层的机械强度及标准层的厚度,两根管
敷过
中要
性顶接,连接处不能有缝隙。
层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.
管道敷生产线要管件敷层的机械强度及标准层的厚度,两根管敷过中要性顶接,连接处不能有缝隙。
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