例如有些涡轮增压器空气冷却腔尾箱是用塑料制成的。
The end tanks of turbocharger air cooler housings, for example, are sometimes made of plastic.
当线圈断电时，先导阀芯靠弹簧复位，先导孔关闭，阀腔由活塞节流孔增压和复位弹簧的推力，电磁阀关闭。
When the coil power, the pilot valve by the spring return, pilot hole closed throttle valve chamber pressurized by the piston return spring and thrust, the electromagnetic valve is closed.
该泵包括增压机构，吸油油路，压缩腔，排油油路。
It comprises the pressure boosting structure, oil entry, compression cavity and oil exhaust channel.
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