PENTIUM MMX处理器的核心电压为() ["2.0V","2.2V","2.8V","3.0V"]
起重机的吊钩危险断面的磨损量达到原来的()时应及时报废。 ["A、50%","B、30%","C、10%","D、5%"]
PENTIUM MMX处理器的插座为() ["SOCKET5","SOCKET7","SOCKET8","SOCKET370"]
根据量在计量学中所处的地位和作用,量可分为基本量和()等。 ["A、导出量","B、关联量","C、相关量","D、绝对量"]
机械事故发生后,应先(),并迅速报告领导和上级主管部门,进行妥善处理。 ["A、保留现场","B、迅速抢救受伤人员","C、抢修机械设备","D、处理当事人"]
抗氧指数