mirror scale meaning in English

镜面标度
镜面标盘
镜面度盘

Test gauges are fitted standardly with a 330 mirrored scale and a zero adjustment
标准检验表有330镜像刻度和零点调节。
Our precision test gauges with mirrored scale are manufactured with highest precision and are used to test pressure in research and development and in laboratories
我们的高精度校验表是根据最高标准生产的，用于研究和开发部门以及实验室的压力校验。