| 1. | also adds the double bond.
同时也加成到双键的两端。 |
| 2. | Cut the wire and attach its free ends to a switch .
把导线切开，把断开的两端接到一个开关上。 |
| 3. | There is a velocity difference across the radius of the pipe .
这条管道半径两端间存在一速度差。 |
| 4. | The two ends of the wire are connected to a split-ring commutator .
导线的两端联接到裂环整流器。 |
| 5. | A glass or quartz tube has tungsten electrodes sealed in each end .
两根钨丝电极是封在玻璃管或石英管的两端。 |
| 6. | The polarity of the ends of the open-circuit conductor may then be deduced .
这样就可以断定开路导体两端的极性。 |
| 7. | Pressure-compensated air bearings are used on both ends of the trunnion axis .
耳轴两端各用一压力补偿空气轴承。 |
| 8. | The only load to be applied to the torsion bar is the torque m at its ends .
扭杆上的唯一载荷是扭杆两端的扭矩M。 |
| 9. | It was a steel bridge of a single span and there was a sentry box at each end .
那是一座单孔铁桥，两端各有一个岗亭。 |
| 10. | The molecules of air would bombard all sides and both ends of the cylinder .
空气的分子会撞击圆筒的整个筒壁和上下两端。 |
