| 1. | The rounded head of the ulna produces a bulge on the posterior side of the forearm just above the wrist .
尺骨的圆头恰在腕上前臂后侧产生一个膨大。 |
| 2. | Metric round head short square neck bolts ; erratum
米制圆头短方颈螺栓.技术勘误 |
| 3. | Round head square neck bolts with large head metric series
带大头的米制圆头方颈螺栓 |
| 4. | Fish bolts - part 1 : with round head and oval neck
鱼尾板螺钉.第1部分:半圆头和椭圆颈 |
| 5. | Woodscrews . slotted round head . symbol r s
木螺钉.一字槽圆头螺钉.符号r s |
| 6. | Cross recessed round head wood screws . symbol rz
十字槽圆头木螺钉.符号rz |
| 7. | Nickel - plated mild steel round head machine screw
镀镍低碳钢圆头机器螺丝 |
| 8. | Brass - plated mild steel round head machine screw
镀黄铜圆头软钢机器螺丝 |
| 9. | Round head rivets ; nominal diameters 1 to 8 mm
圆头铆钉.公称直径1至8mm |
| 10. | Round head square neck bolts with large head metric
米制大圆头方颈螺栓 |
