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在大肠菌群计数平板计数法中,要从VRBA 平板上挑取10个不同类型的典型和可疑菌落,少于10个菌落的挑取( )典型和可疑菌落,分别移种于BGLB肉汤管内进行证实试验
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【单选题】在总账系统中,计算机根据银行日记账与银行对账单进行核对、勾消,并生成银行存款余额调节表称为( )
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【判断题】铰削余量是指上道工序(钻孔或扩孔)完成后留下的直径方向的加工余量。
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