天长日久，机油、汽油及其它浓缩物在PCV阀内部沉积成油泥胶体，造成PC V阀堵塞，从而提高了曲轴箱内部的气体压力。
After a considerable period of time, oil, gas and other PCV valves in its internal deposition, PCV into clay colloid valve jam, thereby improving the crankcase internal gas pressure.
阀塞和阀体阀座表面先由沉积层形成，然后经过机加工制成镜面光洁度表面。
The facing is deposited on the plug and body seats and is then machined to a mirror-like surface.
油液氧化形成胶状沉积物，易堵塞滤油器和液压阀内的小孔，使液压系统不能正常工作。
The fat liquor oxidation forms the porodine deposit, easy to stop up in the oil filter and hydraulic valve's eyelet, enables the hydraulic system the normal work.
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