safety pawl 中文意思是什麼
safety pawl
解釋
安全凸爪-
3 please screw down safety screw before installation, and screw down the component of pawl and rolling wheel anticlockwise according to opening direction of fingernail axis
3安裝前請退出保險螺絲,按爪軸的開口方向將棘爪與滾輪組合件按反時針方向退出。
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