起重机开始操作前应做到的翻译：Before crane began operation should be 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Crane before commencing operation should be done

Before crane began operation should be

The hoist crane starts before the operation to be supposed to achieve

Crane should be done before starting the operation

Before crane began operation should be