pulleys meaning in Chinese

皮带轮胶带

Pulley bearings are frictionless .
滑轮轴承是无摩擦的。
The belt started wrapping up on the tractor pulley .
皮带开始绕在拖拉机的皮带轮上。
The individual strands of each cable were hung in pulley blocks .
每根钢索的单股钢丝束悬挂在滑车组上。
In high school we learned a lot of laws about pulleys and levers used in different ways .
在高中我们已学过许多有关不同用途的滑轮和杠杆的定律。
Cranes ; rope pulleys ; dimensions of hubs and bearings
起重机.绳轮.轴承和轮毂尺寸

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