钢字托架由一组电机、丝杠和丝母完成钢字托架横向移动。
The steel letter bracket completes the transverse move of the steel letter bracket through a set of motor, leading screws and screw nuts.
钢字托架由一组电机、丝杠和丝母完成钢字托架横向移动。
The steel letter bracket completes the transverse move of the steel letter bracket through a set of motor, leading screws and screw nuts.
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