边触式和下触式集电靴装有弹簧用来提供所需的接触压力。
Side and bottom contact shoes are spring loaded to provide the necessary contact force.
研究结论可为悬挂式弹簧缓冲系统的设计提供理论依据。
The purpose was to provide reference for design of shock absorber with suspension spring system.
世界上最大的弹簧作动重型盘式制动钳！
The world's largest spring applied heavy duty disc brake caliper!
简单的防振动防手旋钮提供渐进式弹簧推力。
The simple vibration-proof hand knob provides progressive spring thrust.
简单的防振动防手旋钮提供渐进式弹簧推力。
The simple vibration-proof hand knob provides progressive spring thrust.
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