CPVC、UPVC 管道正确的施工方法 SOLVENT CEMENTING WITH PRIMER 使用管道粘合剂和预粘胶水 1. Assemble proper materials for the job (proper cement, primer and applicator for the size of piping system to be assembled) 使用正确的物料施工（正确的管道胶水，预粘胶水和适当尺寸的涂抹工具） 。 2. Pipe must be cut as square as possible. Use a hand saw and miter box or mechanical saw .A diagonal cut reduces bonding area in the most effective part of the joint. 切