button head  扁圆头; 半圆头

button head bolt  圆头螺栓

button head cap screw  圆头螺钉; 圆头帽螺钉

button head rivet  圆头铆钉; 扁圆头铆钉; 半圆头铆钉; 钮头铆钉

button head screw  圆头螺钉; 半圆头螺钉; 扁圆头螺钉

button head spike  圆头道钉

Button-head anchor system  镦锚体系

button-head capscrew  圆头螺钉

button-head rivet  圆头铆钉

button-head(ed) bolt  扁圆头螺栓

button-head(ed) screw  钛(Ⅳ); 扁圆头螺钉; 值; 价值

round head button bolt  圆头螺栓

screw-button head  圆头螺钉

Flat head lockstitch button holder  平头锁眼机

hammer head [= hammer head shark]  双髻鲨; Y髻鲨

head to head  对遇; 交头接耳地

head to head configuration  头对头结构

head to head structure  头接头结构

head wind [= head sea]  逆风; 顶[头]风; 逆浪

head-to-head  肉搏战