打夯以后,地基就瓷实了。
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.
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.
青海沿黄河岸边有船头号子、放木号子,林区有伐木号子,农区有打夯号子、打墙号子、打连枷号子等。
Close to the coast along the Yellow River in Qinghai bow, chant, put wood chant, chant forest with logging, agricultural district ramming chant, playing wall chant, chant, etc. play flail.
本文以我国首创的蛙式打夯机为例,对自行式摆动冲击机构的非线性动力学进行了研究。
In this paper, the nonlinear dynamics of Selfpropelled machines with rocked impact, taking Frog rammer which was first devised in our country as an example, is studied.
蛙式打夯机、轮胎压路机、静作用光轮压路机、振动压路机和手扶振动压路机等是国内压实机械的主要产品。
At present, compaction machinery products include:frog tap machine, type roll road, static effect roll road, vibratory roller and walk-behind vibratory roller, etc.
挖土、运土和打夯工作大部分用机器进行。
Most of the digging, moving and compressing of earth was done by machines.
挖土、运土和打夯工作大部分用机器进行。
Most of the digging, moving and compressing of earth was done by machines.
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