打夯以后，地基就瓷实了。

The foundation becomes solid after tamping.

《新英汉大辞典》

道岔应采用与轨道相同的方法，由合适的衬砌、平整和打夯机来处理。

Turnouts shall be treated in the same manner as the track by an appropriate lining levelling and tamping machine.

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在压路机不能达到的路槽和检查井边缘，采用蛙式打夯机夯实。

Depressed trough, manhole edges and other places where the roller can not reach shall be compacted with frog rammer.

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