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Oyster nutcracker aid of up and down movement and swivel the blade attached to the principle of leverage can leverage
Oyster nutcracker aid of up and down movement and swivel the blade attached to the principle of leverage can leverage
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机译:牡蛎胡桃钳的上下运动和旋转叶片附有杠杆原理
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摘要
two hinged iron plates connected by a lever located at the bottom of the blade lever mandeuldoe Go up and down and left and right rotation is to be made oyster hatched aids ; 展开▼