宝塔簧支承板的下方设有调节螺丝钉和设于调节螺钉上的支承簧。
A regulating screw and a supporting spring which is arranged on the regulating screw are arranged below the pagoda spring supporting plate.
宝塔簧支承板的下方设有调节螺丝钉和设于调节螺钉上的支承簧。
A regulating screw and a supporting spring which is arranged on the regulating screw are arranged below the pagoda spring supporting plate.
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