coaling

例句：

1. 1. The coaling vessel was loaded with coal from the mine.
   载有煤炭的船只从矿井装载煤炭。
2. 2.The coaling port is a busy hub for international trade.
   煤炭进口港是国际贸易的一个繁忙中心。
3. 3. The coaling process involves loading and unloading the cargo onto or off the ship.
   煤炭装载和卸载过程涉及将货物装载或卸载到或离开船只。