Two metal claws of steel plate is usually 45, but in the case of sensitive load requirements are also useful for aluminum.
两个金属爪盘一般是45号钢，但是在要求载荷灵敏的情况下也有用铝合金的。
Two metal claws of steel plate is usually 45, but in the case of sensitive load requirements are also useful for aluminum.
两个金属爪盘一般是45号钢，但是在要求载荷灵敏的情况下也有用铝合金的。
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