liuxilin1215 发表于 2014-2-25 11:24:56

IEC 61770-2008 与总水管连接的电气器具 避免软管组件的反虹吸

IEC 61770-2008 Electric appliances connected to the water mains – Avoidance of backsiphonage and failure of hose-sets


admin 发表于 2014-2-25 17:05:05

谢谢您的分享，金币已奖励！

xiaocainiaonet 发表于 2016-6-14 09:44:50

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h202226 发表于 2016-6-14 23:57:31

谢谢分享 IEC 61770-2008 Electric appliances connected to the water mains – Avoidance of backsiphonage and failure of hose-sets

guna 发表于 2017-7-14 08:52:39

谢谢分享，谢谢分享，遇到此贴必顶

2786767207 发表于 2018-4-18 15:36:58

hhhhhhhh很好..................
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