Warning: file_put_contents(/www/wwwroot/zidian/diubi.cn/cache/abf81703e31a4f2808f7e356f769940d.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/diubi.cn/index.php on line 59 Hewling例句_Hewling英汉例句_Hewling双解例句_果味酸柯林斯词典
It is introduced in this paper that the design and function of the new-type HEWL instrument transformer calibrator and its testing equipment for small current and voltage. 介紹了新型HEWL互感器校騐儀的設計、功能以及用它對小電流互感器與小電壓互感器的具躰檢定方法。