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Gearless Traction

1、[机]无齿轮驱动

... gearless mill 无齿轮磨 gearless traction 无齿轮驱动 gear-shaping 刨齿 ...

Gearless traction machine无齿轮曳引机;无齿轮牵引机

lift gearless traction machine电梯无齿轮曳引机

机械工程

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