hatch cover seat
... 顶灯 ceiling lamp 顶盖座 hatch cover seat 定期修 periodic repair ...
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轴承座顶盖 housing cover
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文章介绍了钢丝螺套技术的特点，着重探讨了钢丝螺套在电力机车铝合金顶盖、电机吊座等部件上的应用。
This paper presents the characters of wire thread insert, and discusses with emphasis the application of it on electric locomotives parts, such as aluminium alloy copings and motor suspension.
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