摩托车和汽车机油对比怎么样？
一家出售汽车机油的公司销售额下降了80%。
A company selling car-engine oil has seen sales drop by 80%.
问：摩托车和汽车机油对比怎么样？
定期检查机油，经常保养汽车。
Check the oil at regular intervals, and have the car serviced regularly.
趁他做汽车保养之前把机油换好。
大多数汽车的机油尺手柄是有色的，因此很容易辨认。
On most vehicles, this is easily recognised by its coloured handle.
本论文介绍了对6105汽车发动机转子式机油泵的开发设计。
This paper introduces the development and design of the rotor oil pump of 6105 engine .
机油压力是汽车发动机的重要参数之一。
The oil pressure in the diesel engine is one of the most important parameters.
我的汽车发动机油问题。
我的汽车发动机油问题。
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