从进气管道的锁手柄上拆下螺栓、垫圈和螺母。
Remove the screws, washers and nuts from the lock handles for the air inlet duct.
发动机的进气系统主要由空气滤芯和进气管道两部分构成。
The air intake system of the engine is mainly composed of two parts: the air filter element and the intake pipe.
或不用抽气机,而在进气管道有一接高压清洁空气的进气口(4)。
Otherwise, the air exhauster is not necessary, and the air inlet (4) connecting with the high-pressure clean air is arranged in the air inlet pipeline.
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