英语词汇protective medium怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	protective medium
释义	protective medium 简明释义保护介质网络释义短语 1 double protective medium 双重保护介质双语例句 1 According to the different welding materials, if adopts the carbon dioxide gas or mixed gas to be the protective medium to carry out the welding. 根据焊接材料的不同，可采用二氧化碳气体或混合气体作为保护介质进行焊接。 2 Firstly, in this paper water absorption of concrete protective coatings hi different corrosive medium is studied. 本文首先研究了不同腐蚀介质下混凝土保护涂层的吸水行为。
随便看	procurement process procurement program procurement quality function procurement rapair parts list procurement regulation procurement regulation procurement repair parts list procurement request procurements procurement schedule procurement scheme procurement section procurement service procurement source procurement specification procurement strategy Procurement,Tissue procurer procurer procures procuress procuress procure to pay procureur procureurs

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