塑料管道学会（PPI）市政咨询委员会近期完成了《通用电熔工艺规程》的出版，涵盖 12 英寸及更小尺寸的规格。此项出版工作由供水系统运行人员……等协作完成
The Plastic Pipe Institute Municipal Advisory Board recently completed the publishing of the “Generic Electro Fusion Procedure” covering 12 inch and smaller sizes. This publishing effort was conducted with a collaboration of water system operators...