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Exterior activator is ramification of emulsifying agent, dust - proofing agent, hydrous lanolin .
表面活性剂是乳化剂、防尘剂、含水羊毛脂衍生物。
youdao
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Exterior activator is ramification of emulsifying agent, dust - proofing agent, hydrous lanolin .
表面活性剂是乳化剂、防尘剂、含水羊毛脂衍生物。
youdao