Doesn't matter is it the engine oil leak, power steering fluid or transmission fluid, if you discover any, get it fixed before it caused something serious.
无论是发动机漏油、动力转向漏油或者是变速器漏油，一经发现，立刻修理，避免进一步恶化。
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This paper shows a review to PTC Asia 2003 and underlines the prospective and direction of fluidpower and mechanical transmission.
Which conditions can the hydraulic fluid shoulder to be able the normal work? In the hydraulic actuation system, the hydraulic fluid function is mainly effectively and stably the transmissionpower.