例句與造句

1. insert cone bit
   錐孔釬頭
2. curved-face bayonet ring couplings for rolling stock part 21 : insert cone thread straight couplings
   機車車輛用曲面卡套式管接頭.第21部分:插管錐螺紋直通管接頭
3. It's difficult to find insert cone in a sentence. 用insert cone造句挺難的