This paper introduced a four-body contact model of steel crown-the nodular cast-iron skirt-piston pin-connecting bolt for the steel-crown aluminum-skirt composite piston of locomotive diesel engines.
本文以机车柴油机钢顶铝裙组合活塞为对象，建立组合活塞钢顶铝裙连接螺栓-活塞销的四体接触计算模型。
The utility model relates to an insulator for the high-voltage transmission equipment of electric locomotive, in particular to a pantograph composite insulator for subway electric locomotive.
本实用新型涉及电力机车高压输变电设备用绝缘子，特别是地铁电力机车 受电弓复合绝缘子。
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