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单词 UL
分类 翻译、意思、用法、释义、英译汉、汉译英、英汉双解词典
释义 UL UL /ˌjuː ˈel/  (Underwriters' Laboratories) a US organization which tests the safety of electrical equipment, tools, and drinking water. It makes rules for the companies that produce them. Electrical equipment that is approved by the UL has a special seal (=mark) on it.UL  
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