The problem was how to move the heavy machinery.
问题是怎样移动这台繁重的机器。
As we talk, I can hear the rumble of heavy machinery nearby.
就在我们说话的时候，我能听到附近重型机械的轰鸣声。
If necessary, the heavy machinery can be brought into action.
若有必要，可以使用重型机械。
They need railroad to transport the heavy machinery to the construction site.
他们需要的铁路运输重型机械的施工现场。
Consider what is necessary to run the average manufacturing plant, which runs heavy machinery.
想想每个依靠重型机械来运行的制造厂平均所需的东西吧。
May operate excavation machinery and other heavy equipment.
操作挖掘机械等重型设备。
May operate excavation machinery and other heavy equipment.
操作挖掘机械等重型设备。
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