对这台仪器进行全面的保养与维护是必须的的翻译：Thorough care and maintenance of the instrument must 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

This instrument a comprehensive care and maintenance is a must

Thorough care and maintenance of the instrument must be

Carries on the comprehensive maintenance and the maintenance to this instrument is must

This instrument with a comprehensive service and maintenance is a must

Thorough care and maintenance of the instrument must be