例句 /

This paper makes a deep comparison between new and old standard instrument used to calibrate DC high-voltage and high-resistance box and reachs a conclusion that the new equipment (digital type high resistance calibrator) operation is simple and convenien

详情正文

登录后查看完整内容

使用 DeepEvidence / 梅斯账号登录,新用户可在登录页面注册。

登录成功后将返回当前页面,继续浏览。