开工率低时炉头温度的控制标准可以是（） ["≥950℃","≥1100℃","≥900℃","≥1000℃"]
Your explanation for eruption of the disease（）all right. ["sounds","have sounded","is sounding","is sounded"]
金额202000.15元大写描述正确的是（）。 ["贰拾万零贰仟元零壹角伍分","贰拾万贰仟元壹角伍分","贰拾万贰仟元零壹角伍分","贰拾万零贰仟元壹角伍分"]
Which of the following problems may occur if the opening pressure of a fuel injection nozzle is greater than specified by the engine manufacturer?（） ["The amount of fuel injected will be increased","The start of injection will be retarded","The nozzle will permit fuel to dribble","The spray pattern will be distorted"]
数据清单不允许按行排序。
渠道管理的实质是什么？
