locking knob 中文意思是什麼
locking knob
解釋
角度鎖鈕-
Locking screw with knurled knob
帶滾花旋扭的鎖緊螺釘 -
Locking screw with palm knob
星形手掌旋扭的鎖緊螺釘 -
Locking screw with 4 armed knob
帶四翼旋鈕的鎖緊螺釘
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