我想的是要把张紧轮拉近就要缩短螺栓,所以要顺时针,结果越拧皮带越紧,后来才明白这螺栓是顶出去的,这是有道理的,因为张紧轮要往外顶所以螺栓要顶出去,就跟把螺钉拧进木板一样,顺时针拧螺钉尖头就越拧越深。
我想的是要把张紧轮拉近就要缩短螺栓,所以要顺时针,结果越拧皮带越紧,后来才明白这螺栓是顶出去的,这是有道理的,因为张紧轮要往外顶所以螺栓要顶出去,就跟把螺钉拧进木板一样,顺时针拧螺钉尖头就越拧越深。
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