| 1. | A gray bird flew above them, above the electric wires for the street car line, and perched on the metal cornice of a roof .
一只灰鸟从她们的头顶上飞过，越过有轨电车线，最后停歇在一家屋顶的金属横檐上。 |
| 2. | Automatic tension regulator
自动张力调整装置电车线 |
| 3. | Automatic tension balancer
自动张力调整装置电车线 |
| 4. | Automatic tension uster
自动张力调整装置电车线 |
| 5. | Steel and aluminium trolley wire
钢铝电车线 |
| 6. | Electric traction ; dropper clamp for grooved contact - wires and catenary
牵引电车.第4部分:槽形电车线和悬链线用吊索夹 |
| 7. | Steel aluminium trolley wire
钢铝电车线 |
| 8. | In addition , there are two tramways , with one running along the north shore of hong kong island and the other from central to the peak
除此之外，还有两条有轨电车线，分别为行走港岛北岸的电车及连接中区与山顶的山顶缆车。 |
| 9. | With the background of use in contact cable , this thesis introduces cu - cr alloys as studied subject , and from the two ways of solidified process and solidification mechanics , the structure configuration and the behave of separated - out strengthened elements are systematically study under the process of directional solidification
本文就是以电车线的应用为背景，采用cu - cr合金作为研究对象，从凝固工艺和凝固机制两个方面，系统地研究了其在定向凝固工艺下的组织形态及其强化元素的析出行为。 |
