... 合轴调整 centering adjustment 荷重弹簧 weighted spring 黑点 镀锡板缺陷nblackspot ...
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spring weighted 弹簧加压
spring-weighted 弹簧加压
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Unhappily, however, the hearse was over-weighted, and they had not reached the cemetery before the spring broke, and the bottle with it.
但不巧的是，灵车超载，人们还没到墓地，车上弹簧就断了，酒瓶也摔碎了。
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Three types of backpressure valves are diaphragm, spring and weighted lever.
有三种类型的回压阀，即隔膜式、弹簧式和负荷杆式。
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