高压液化气体充装系数的确定原则之一是:温度高于气瓶最高使用温度5℃时,瓶内气体压力不超过气瓶许用压力的()%
A.5
B.10
C.20
D.30
参考答案:C
My headache _____ me.I thought it was going away, but it is getting worse and worse.
A.kills
B.is killing
C.was killing
D.killed
生产车间管理人员的工资属于管理性费用,不能计入产品成本。( )