... 双转式汽轮机，双转子汽轮机 double-motion turbine 双帽螺栓 double-nut bolt 双流程凝汽器 double-pass condenser ...
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TAPER DOUBLE NUT BOLT 锥形双螺母螺栓
double nut bolt 双头带帽螺栓
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Through the failure analysis of connecting bolt of down rod, it points out that it is not correct to put the thinner nut outer side if the double nut anti-loose method is adopted.
通过对游梁式抽油机对接式连杆下接头连接螺栓的失效分析，指出了采用双螺母防松时，将薄型螺母放置在外侧是不恰当的。
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