The examining of test locomotive shows that coke in combustion chamber and exhaust passage has been reduced largely, as well as friction consumption between piston ring, piston ring groove and cylinder cover, thus extend its working time.
从试验机车的拆检情况看，燃烧室和排气通道内的积炭大幅度减小，活塞环、活塞环槽和气缸套的磨损量大幅度降低，使用寿命明显延长。
参考来源 - 柴油机组合式活塞环的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
然后利用掩膜腐蚀方法在铸层上腐蚀出微排气通道。
Then, a micro exhaust duct was etched on an electroforming deposit through mask etching technology.
进气孔和排气孔穿过排气通道单元的外表面而形成。
An intake hole and an exhaust hole are formed through the outer surface of the exhaust channel unit.
本发明的粉碎机包括主体、粉碎螺杆和排气通道单元。
The pulverizer of the present invention includes a main body, a pulverizing screw and an exhaust channel unit.
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