在操作过程中，操作人员必须佩戴降噪音耳塞进行操作的翻译：During the operation, the operator must wear operating noise reduction earphones 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

During operation, the operator must wear ear plugs for noise reduction operation

During the operation, the operator must wear operating noise reduction earphones

In the operating process, the operator must wear falls the noise ear plug to carry on the operation

In the middle of the operation, the operating personnel must wear noise reduction Headphones for operating

During the operation, the operator must wear operating noise reduction earphones