?圆头螺钉

... cheese-head bolt 圆头螺栓 cheese-head screw 圆头螺钉 chekmak 切克马克绸 ...

?有槽凸圆柱头螺钉

... cheese 干酪,垫砖 cheese-head screw 有槽凸圆柱头螺钉 chisel 凿子 砍凿 chloride 氯化物,漂白粉 choke 窒息, 阻气门 ...

?平顶

... cheese-head screw 有槽凸圆柱头螺钉 ; 平顶 cheese-head bolt 圆头螺栓 slotted cheese-head screw 开槽圆柱头螺钉 ...