还有做的时候加速度要越小越好。一来动作标准,二来门框受力小。我家的用了十多年了,门框一点损坏都没有。
还有做的时候加速度要越小越好。一来动作标准,二来门框受力小。我家的用了十多年了,门框一点损坏都没有。
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