container yard operator

例句：

1. 1. The container yard operator is responsible for loading and unloading containers on the dock.
   集装箱堆场操作员负责在码头上装载和卸载集装箱。
2. 2.He was a container yard operator who made significant contributions to the shipping industry.
   他是一位对航运业做出重大贡献的集装箱堆场操作员。
3. 3.The container yard operator must ensure that all containers are properly secured before they are loaded onto the ship.
   集装箱堆场操作员必须确保所有集装箱在装船前得到妥善固定。