... hand-operated door 手动启闭门 hand-operated grinder 手摇研磨机 hand-operated auger 手摇螺钻机 ...
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Hand-operated Coffee Grinder 手摇咖啡磨豆机一台
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In the late 19th Century, a doctor experimented with grinding peanuts in a hand-operated meat grinder.
BBC: 7 questions on sandwiches
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