There was a smell of damp wood and machine oil.
有一股湿木头和机油的气味。
The old worker emerged from under the car, his hands dirty with machine oil.
老工人从小车底部钻了出来，他的手沾满了机油。
The system device can be used as a fuel filter and a machine oil filter.
系统装置还可做为燃油滤清器和机油滤清器使用。
The system device can be used as a fuel filter and a machine oil filter.
系统装置还可做为燃油滤清器和机油滤清器使用。
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