使用输液泵的错误做法是() ["把输液管装进输液泵","先调定输液总量,后调每小时输液量","核对设置速度是否正确","根据患者要求设置滴速","有报警应查明原因及时处理"]
压力传感器信号输入通道采用()隔离方式。 ["电气","光电","隔离放大器","变压器"]
MG575采煤机的功率是()。 ["A、575KW","B、250KW","C、350KW"]
智能理财的每次最低起存金额是多少?
数字量输入插件加电前用数字万用表测量VCC对GND阻值应大于()。 ["0.5MΩ","1MΩ","2MΩ","5MΩ"]
起飞当日现金取票,必须告知客人起飞前提前()取票。