管钳,越使劲卡得越紧,一定不会打滑的。
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管钳可能口子太宽大,夹不螺冒。用版主视频里的夹螺栓的小钳可能好些。至少螺栓没打滑。
-周老大-
♂
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05/01/2016 postreply
14:50:52
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