已完本玄幻小说排行榜,雪鹰领主,我欲封天 耳根 小说零 http://hnrce.com.cn Shenyang Zhongcheng Electric Co. , Ltd. Tue, 27 Feb 2024 14:39:58 +0000 zh-CN hourly 1 https://wordpress.org/?v=5.8.3 http://hnrce.com.cn/wp-content/uploads/2021/09/cropped-LOGO-ALPHA-32x32.png 封閉母線槽 – 沈陽(yáng)眾成電氣有限公司 http://hnrce.com.cn 32 32 封閉母線槽 http://hnrce.com.cn/index.php/2024/02/27/enclosedbus/ Tue, 27 Feb 2024 14:39:46 +0000 http://hnrce.com.cn/?p=265 封閉母線槽

封閉母線槽主要分為密集型（CCX）絕緣封閉母線槽和空氣型（CKC）絕緣封閉母線槽，母線槽執(zhí)行國(guó)家GB7251.2-97母線干線系統(tǒng)（母線槽）標(biāo)準(zhǔn)。

Enclosed bus

The enclosed bus duct is mainly divided into dense (CCX) insulated enclosed bus duct and air type (CKC) insulated enclosed bus duct. The bus duct shall comply with the national GB7251.2-97 bus trunk ?system (bus duct) standard.

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