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[问答题] 什么是抑菌机制?

以下选项中不属于商业信用表现形式的是() ["应付票据","应交税费","应付账款","预收账款"] To avoid scavenge fires () the engine timing and equipment maintenance should be correctly carried out. ["occurred","occurring","not happening","occur"] 疫苗是预防传染病的有效手段,为预防乙肝,可接种哪种疫苗?() ["牛痘疫苗","卡介苗","乙肝疫苗","麻疹疫苗"] 数据库管理系统(DBMS)是一种()。 ["计算机辅助设计","应用软件","系统软件","数学软件"] 在对接头和馈线接地夹安装处防水检查时,需要检查各接头的胶泥溢出;检查各接头是否密封好,是否进水;检查各接头的胶泥胶带是否损坏。 什么是抑菌机制?
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