Loose hole plating chromic layer by weight used in the sliding friction parts and heat resistance, corrosion, wear parts, such as internal combustion engine cylinder lumen, piston rings.
松孔镀铬层应用于受重压的滑动摩擦件及耐热、抗蚀、耐磨零件，如内燃机汽缸内腔、活塞环等。
Taking for example the wear of connecting rod copper sleeve, the paper introduces the application of this method to the prediction of internal combustion engine maintenance and fault detection.
文中以内燃机连杆钢套磨损为例，介绍了其在内燃机维修状态预测和故障珍断上的应用。
The operation conditions and wear of crankshaft bearings in internal combustion engine are discussed in this paper. A model and method for calculating the crankshaft journal wear are given.
本文讨论了内燃机曲轴轴承副的工作状况和磨损，给出曲轴轴颈磨损的计算模型和计算方法。
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