英语词典
In the1980s, movable type ramming machine product quality has increased greatly, have exported to southeast Asia and Africa.
80年代,内燃式夯实机产品质量有较大提高,曾出口东南亚和非洲地区。
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in the 1980s, movable type ramming machine product quality has increased greatly, have exported to southeast asia and africa.
research on mechanical behavior study of switch sleeper caused by ramming machine on the site
捣固机作业对岔枕受力影响的研究
mechanical reconstruction of ramming machine
捣毛机的机械改造
the reconstruction of pneumatic system for the ramming machine
一种捣毛机设备的气动改造
A ramming machine is used to firm the ground up.
打夯机用来将地面打实.
We should act like a ramming machine, and lay a solid foundation.
我们要像夯机一样把基础打好.
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