ballvalves发音

意思翻译

球阀

相似词语短语

双语使用场景

Specification for floats for ballvalves (copper)───球阀用浮球（铜）规范

英语使用场景

Ballvalves A ballvalve controls the flow of water into a cistern.

All new ballvalves should be provided with a servicing valve on the inlet pipe.