The stand is not strong enough for this heavy machine.
机器太重，这个架子吃不住。
The floor gave in under the weight of the heavy machine.
地板在沉重的机器重压下塌了。
This is a multi-barrel heavy machine gun on an anti-aircraft mount.
图中为设置在高射机枪架的多管重机枪。
It was very difficult to make a heavy machine fly. But they were able to make it fly.
使很重的机器飞起来是很困难的，但是他们终于使它飞了起来。
It was very difficult to make a heavy machine fly. But they were able to make it fly.
使很重的机器飞起来是很困难的，但是他们终于使它飞了起来。
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