This standard covers the requirements for primers to be used in conjunction with solvent cement for the chemical fusion of PVC pipe and fitting joints.
这个标准涵盖采用液状粘固剂进行底漆连接的要求,适用于PV C管道和连接件连接化学熔化。
2
But for the cement stabilized granular base material intensity standard still has some weakness.
但对水泥稳定粒料基层材料的强度标准仍然存在着认识上的不足。
3
Conclusion. The larger diameter screws were equivocal or significantly more resilient than the cement augmented standard diameter screws at the strongest of the insertion angles for all values.