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To determine the ball screw axial compensator range;
从而确定滚珠丝杠轴向补偿器的量程；
youdao
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Protected spring compensator to maintain closed door position;
弹簧保护补偿器用于固定门板闭合位置；
youdao
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Protected spring compensator to maintain closed door position;
弹簧保护补偿器用于固定门板闭合位置；
youdao