A laminated card is then attached to the valve with each test and material check indicated, as certification to our customer that these procedures have been followed.
A laminated card is then attached to the valve with each test and material check indicated, as certification to our customer that these procedures have been followed.
然后，将一个卡片附在阀门上，注明每次压力测试和材料检测程序都已完成，作为提供给我们的用户的证书。