If have the characteristic, can feel hair that this kind of air compressor oil has lost the proper lubrication performance.
如有发涩的感觉，可以断定这种空压机油已失去了应有的润滑性能。
If have the characteristic, can feel hair that this kind of air compressor oil has lost the proper lubrication performance.
如有发涩的感觉，可以断定这种空压机油已失去了应有的润滑性能。
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