SMA沥青混合料面层施工时,不宜采用()碾压。 ["小型振动压路机","钢筒式压路机","振动压路机","轮胎压路机"]
废气再循环
()是指预算单位工作人员持有的,主要用于日常公务支出和财务报销业务的信用卡。 ["A.公务卡 ","B.银联卡 ","C.信用卡 ","D.公共支出卡"]
陈某,男性,12岁。突发剑突下剧烈绞痛4h人院,腹痛呈阵发性,发作时患儿辗转哭闹,伴恶心、呕吐苦水,疼痛可突然停止,间歇期无不适。发病后未排便,无发热。体检:T37℃,无黄疸,剑突下轻压痛。依据病史应考虑() ["肠套叠","急性胃肠炎","急性胆囊炎","胆道蛔虫病","胆石病"]
On a WLAN controller, what is the default roaming bandwidth percentage reserved for voice clients?() ["6 percent","12 percent","18 percent","24 percent"]
简述中央银行三大职能的含义。