先将活塞及连杆组件从发动机上拆下再把活塞与连杆分开之后，即可将活塞环从活塞上取下。
After the piston-and-connecting-rod assemblies have been removed from the engine and the pistons and rods separated, the rings should be removed from the piston...
该系统具有反射式结构，由热双金属片、连杆-活塞机构、光栅及光纤探头组成。
The system is of reflective type and composed of thermostatic bimetal plate, lever piston framework, optical grating and optical fiber probes.
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