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1.The grinder belt is essential for the smooth operation of the machine.
磨刀带对于机器的平稳运行至关重要。
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2.The belt was so tight that it cut off her circulation.
皮带太紧了，切断了她的血液循环。
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3.The grinder belt is used to remove material from the surface of a workpiece.
磨刀带用于从工件表面去除材料。