“铅锤”怎么读？

“铅锤”的英语可以翻译为：plumb bob，plummet，plumb，bob ...

但是马乔丽被铅锤的声响惊醒.Marjorie was, however , woken by the sound of plumbing.一种绑在一条窄木板上的铅锤线.A horizontal line plane at right angles to the plumb.用铅锤来检查从溴控制螺线管到溴供给器、从溴供给器到系统是否在一条直线上.Plumb from the BCD control solenoid to feeder a...