round head screw 圆头螺丝 ; [机] 圆头螺钉 ; 半圆头螺钉 ; 高平头螺丝
round head rivet 圆头铆钉 ; 半圆头铆钉 ; 圆头柳钉
round head bolt 圆头螺钉 ; [机] 圆头螺栓
round head 圆头 ; 半圆头 ; 圆头铆钉 ; 圆圆的头
round head grooved bolt 圆头槽螺栓 ; 圆头开槽螺栓 ; 圆头
cross recessed round head screw 十字槽圆头机丝牙螺钉
FIN NECK ROUND HEAD BOLTS 鳍头螺丝 ; 钷螺晋
half-round head screw 半圆头螺钉 ; 半圆头螺丝
slotted round head wood screw 一字槽圆头木螺丝
N a supporter of Parliament against Charles I during the Civil War 原颅党; 在英国内战期间支持议会的党派，留短发以与保皇党区别 [English history] → compare Cavalier
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