中文翻译与英英解释 | 铅锤，线锤。
| | | plumb: n. 铅锤，测锤，线砣；垂直。 off plumb ＝o ... | | bob: n. 鲍勃〔男子名， Robert 的昵称〕。 Bob' ... | |
| the metal bob of a plumb line
同义词：plumb, plummet,
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例句与用法 | 1. | If the mass in question is a plumb bob , the horizontal component of f is important
如果所讨论的质量是一摆锤，则重要的是f的水平分量。
| | 2. | Tool that needs to be prepared during the installation : churn drilling , corner mill machine , welding machine , tapeline , plumb bob , glue pincers , iron chisel , 810 expansion bolt , cross and subtraction sign screw driver etc
安装所需准备的工具：冲击钻角磨机焊机拉尺线锤胶钳铁凿8x10膨胀螺丝十字和一字螺丝批等。
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