油气的“聚宝盆”指的是()。 ["盆地","平原","江流","沙漠"]
某顾客在购买物品的过程中吹毛求疵,态度蛮横,伤害了服务员的人格。此时从业人员应采取的正确做法是() ["以牙还牙,以眼还眼","不予计较","让保安人员将该顾客推出门外","请主管出面处理"]
与电喷发动机喷油脉宽无关的传感器是() ["氧传感器","空气流量计","水温传感器","车速传感器"]
网络推广测评指标包括() ["用户数","曝光数","点击数","转化率"]
废气系统中,可同时减少HC,NOX,CO排放的装置是() ["EGR","二次空气喷射","EVAP","三触媒TWC"]
简述动火工作票的有效期?