servicing

维修

The process of or time needed for loading, unloading, and servicing a ship, an airplane, or other vehicle.

周转，停航时间轮船、飞机或其它交通工具装货、卸货及维修的过程成所需时间

Ted knows all about servicing cars but he can't seem to get it across to others.

特德完全熟悉汽车维修业务，可是他似乎不能使别人听懂。