并且再微小的颗粒污垢也会导致发动机相关内部零部件的严重磨损。
And again the tiny particles fouling will cause serious engine internal components.
气缸盖是发动机中最大、最复杂的零部件之一。
Cylinder head is one of the largest and the most complex parts in an engine.
这些零部件主要分为四类：车身、发动机、底盘和电气设备。
These parts can be grouped into four major categories: body, engine, chassis and electrical equipment.
这些零部件主要分为四类：车身、发动机、底盘和电气设备。
These parts can be grouped into four major categories: body, engine, chassis and electrical equipment.
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