铅封 meaning in English
lead sealing; car seal 短语和例子
Examples
- Petroleum industry . lead seals and lead seal cupels
石油工业.铅和铅封件 - Study on the structure and properties of li2o - zno - sio2 system glass ceramics
系无铅封接玻璃析晶行为的研究 - Sealing bolts for watthour meters
电度表的铅封螺栓 - Checking of seals
货车铅封检查 - Taping and sealing
捆扎与铅封