装车完了英语怎么说

"Loading is completed" 可以说成 "The loading is finished" 或者 "The loading has been completed"。
这个短语来源于英语中常用的动词 "load"，意思是装载。"Completed" 是动词 "complete" 的过去分词形式，意思是完成。
例句：
The loading is finished. We can now leave for the port.
The loading has been completed. Let's check if everything is in order before we depart.
The truck is loaded and ready to go.
The loading process is done, let's move on to the next step.
翻译：
装车完成了，我们现在可以出发去港口了。
装车已经完成，走之前我们来检查一下是否一切都正常。
卡车已经装载完成，准备出发。
装车过程已经完成，我们继续下一步。