圆形钩（round hook）其特点是：钩柄较长，钩门较窄，因而易吞食、易上饵、易摘钩。
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无倒刺圆形钩 round hook without barb
外圆磨床用钩形卡规 grinding gauge
钩针圆形针织机 bearded needle ciciular machine
小号椭圆形自粘挂钩 small oval self-adhesive hook
笔者采用半圆形皮钩并钻圆孔获得较好的效果。
The author has succeeded in performing this type of operation utilizing a semispherieal skin hook with a small round hole at …
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