Make the bevel gears of the industrial sewingmachine with damping alloy instead of steel to test noise.
应用阻尼合金材料制作工业平缝伞齿轮替钢质齿轮。
Make the bevel gears of the industrial sewingmachine with damping alloy instead of steel to test noise.
应用阻尼合金材料制作工业平缝伞齿轮替钢质齿轮。
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