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.
道
敷生产线要保证件敷层的机械强度及标准层的厚度,两根子在敷过
中要保证柔
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.
道敷生产线要保证件敷层的机械强度及标准层的厚度,两根子在敷过中要保证柔顶接,连接处不能有缝隙。
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