1)round head nail,圆头钉2)tack,stud,圆头钉3)lining nail,半圆头钉4)halfround head nail,半圆头钉5)oval nail,椭圆头钉6)Round head,圆头7)cup head,圆头8)cuphead,圆头9)rd.hd.,圆头10)trochocephaly,圆头
用法例句
Round head of plate will increase shear amount of plate,which could reduce the plate yield.
