plumb-bob的例句
1. The gyroscopic surveying instrument USES a gyroscope, compass card, plumb Bob, and modified movie camera.
陀螺测量仪由陀螺仪、罗盘、铅锤以及经过改造的电影摄像机等组成。youdao
2. If you have a good eyeball you can do it that way or use a plumb Bob.
如果你有一个良好的眼球，您可以这样做或使用一个铅垂鲍勃。youdao
3. If you have a good eyeball you can do it that way or use a plumb Bob.
如果你有一个良好的眼球，您可以这样做或使用一个铅垂鲍勃。youdao