I’d punch him for two pins.我恨不得打他一拳。Spring loaded coned pins shall be used for two - way and four - way datum holes and slots.配有弹簧的锥形销被使用为 双向 和四向方式的基准孔和槽孔.They used steel pins to hold everything in place.他们用钢钉将所有东西都固定住。L...

n.发夹( hairpin的名词复数 )...

n.晒衣绳上夹衣服之夹子( clothespin的名词复数 )...

鸭柱球中所用的短柱...

duckpins的音标：duckpins的英式发音音标为：['dʌkpɪnz]duckpins的美式发音音标为：['dʌkpɪnz]...

n.关键( linchpin的名词复数 )...