Dogbolt
直角固定螺栓, 止动螺栓
🗣️ 情景例句
History repeats itself.
历史往往会重演。
We have mainly adopted some usual international practices.
我们主要采取了一些国际上的惯例做法。
No, they're still working on it.Let's go into the garage and have a look at it.
没有，他们还在修呢。我们到车库去看一下吧。