Double heading
01
双机牵引, 在列车前部连接两台机车以提供额外动力的做法
the practice of attaching two locomotives at the front of a train to provide additional power for hauling heavy loads or climbing steep gradients
例子
In soccer, players often use double heading to redirect the ball towards the goal from two different angles.
在足球中，球员经常使用双头球从两个不同的角度将球重定向向球门。
The company 's strategy involved a double heading approach: expanding their current market while exploring new opportunities abroad.
该公司的战略涉及双头牵引方法：在拓展当前市场的同时探索国外的新机会。
