... 正齿轮驱动阀:spur-gear-operated valve 正齿轮减速器:cylindrical reducer 正齿轮吊链:spur-geared chain hoist ...
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cylindrical gear reducer 圆柱齿轮减速器
cylindrical speed reducer 圆柱齿轮减速器
single cylindrical gear reducer 单级圆柱齿轮减速器
bevel gear-cylindrical gear reducer 圆锥圆柱齿轮减速器
common cylindrical worm-driven reducer 普通圆柱蜗杆减速器
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