conical pointed grub screw
锥形沉头螺钉 conical pointed grub screw 开槽沉头螺钉 Slotted countersunk flat head screws ; slotted countersunk head screw ; slotted countersunk screw ; slotted...
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... 末端无孔导管 closed end catheter tip 锥端无头螺钉 conical pointed grub screw 空虚, 无知 emptiness ...
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conical pointed grub screw
锥形尖螺杆
以上为机器翻译结果，长、整句建议使用 人工翻译 。