electric overhead wire 电力架空线
overhead earth wire 架空地线 ; 接触网架空地线
overhead ground wire [电] 架空地线 ; 避雷线
overhead wire line 架空线路
overhead wire rope 架空线索
tension equation of overhead wire 架空线状态方程式
The trolley bus picks up current from an overhead wire.
无轨电车的电能是通过架空线供给的。
High voltage current is usually carried by overhead wire system so as to prevent living things being electrocuted.
为了防止人畜触电，高压线一般采用高架线传送。
But when we tried to open the door there was another bang and sparks, and the overhead wire had actually fallen between the carriages.
但当我们试图开门时，又听见一声巨响，还看到火花擦出。头顶的电线断裂在两节车厢上。
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