椭圆: oval; oval-shaped; ellipse; ...头: 5点就得动身 have to start before ...螺丝: screw椭圆头螺钉: oval head screw椭圆头螺栓: oval head bolt半圆头螺丝: half-round head screw圆头螺丝: cuhead serew; cup head screw; round head screw圆头螺钉,高平头螺丝: round head screw凹槽椭圆头螺钉: oval fillister-head screw椭圆头: oval headt头螺丝: t head bolts头螺丝: t head bolts半圆头螺钉: button headed screw; button-headed screw; cup head screw; half-round head screw; half-round screw; round head screw半圆头螺栓: ahead bolt; ball headed bolt; ball stud; button headed bolt; button-headed bolt; cup head bolt; cup-headed bolt; half-round screw; snap head bolt; snap-head bolt扁圆头螺栓: buttonhead bolt大圆头螺钉: tru head screw; truss head screw凸圆头螺钉: cheese screw圆头螺钉: button head screw; button headscrew; button-head ca crew; button-head capscrew; button-head screw; cheese head screw; cheese screw; cheese-head screw; cheesescrew; cup head screw; dome capped screw; round head carriage bolt; round head screw; round screw; round-head screw; screw with round head圆头螺栓: button head bolt; case bolt; cheese head bolt; cheese-head bolt; cuhead bolt; cuphead bolt; round head bolt; round head button bolt; round headed bolt; round-head bolt; round-headed bolt; snap bead bolt椭圆头钉: oval nail椭圆头铆钉: oval head rivet; oval rivet椭圆头气缸: elliptic-nosed cylinder圆头木螺丝: cup head wood screw; roundheaded wood screw凹头螺丝: socket screw杯头螺丝: cucentre; hexagonal socket head cascrew