乒乓球比赛策划书百度文库:Pipe application

發布日期:2017-05-17 15:12:43 來源:
The groove type connecting pipe with 11.25 DEG elbow, 22.5 degree elbow, 45 degree elbow, 90 degree elbow, three, different diameter three, concentric reducer, eccentric different diameter pipe, in order to adapt to the different requirements of connecting piping system, the groove width, depth and width of sealing are connected with UL213 implementation. The pipe plug is used to seal the end of the steel pipe and must be used in conjunction with the pipe joint.



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