维护试验 meaning in English

maintenance test

Standard guide for maintaining test methods in the user ' s laboratory
在用户实验室中维护试验方法的标准指南
Maintenance , testing , and replacement of vented lead - acid batteries for stationary applications
通气固定铅蓄电池组的维护试验及更换
Practice for maintenance , testing , and replacement of vented lead - acid batteries for stationary applications ; errata
固定应用的通气式铅酸蓄电池的维护试验和替换规程.勘误
Maintenance , testing , and replacement of large lead storage batteries for generating stations and substations , practice for
发电站和变电站的大型铅蓄电池组的维护试验和更换实施规程
Simulated service testing for corrosion of metallic containment materials for use with heat - transfer fluids in solar heating and cooling systems
太阳能加热和制冷系统中用传热液体的金属容器材料的腐蚀模拟维护试验