fitting bolt
非紧配螺栓 non-fitted bolt
紧配螺栓孔 fitting bolt hole
平衡块紧配螺栓 balance weight fitting bolt
紧配连接螺栓 fitting screw
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传统方法：高速涡轮机联轴器经常要采用紧配螺栓，而紧配螺栓的安装和拆卸都非常麻烦。
Old Method: High speed turbine couplings often utilize fitted bolts which can be difficult to install and remove.
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