thread sealant造句

Standard test method for testing of pipe thread sealants on pipe tees
测试t形管上管螺纹密封层的标准试验方法
Test method for determining chemical compatibility of thread sealants with thermoplastic threaded pipe and fittings materials
测定热塑性螺纹管和配件材料的螺纹密封件的化学兼容性的试验方法
Standard test method for determining chemical compatibility of thread sealants with thermoplastic threaded pipe and fittings materials
热塑性螺纹管和配件材料用螺纹封装剂的化学兼容性测定的标准试验方法
It's difficult to find thread sealant in a sentence. 用thread sealant造句挺难的