FKQ3204型防喷器控制系统的司钻控制台有高压油通过。
参考答案:错
解析:FKQ3204型防喷器控制系统的司钻控制台没有高压油通过。
有一块长方形的地,宽是80米,面积是12800平方米;这块长方形地的周长与一块正方形地的周长相等,正方形地的面积是多少?
The new-designed car is on show now. I wonder _____. [ ]
A. how much it cost
B. how much did it cost
C. how much it costs
D. how much does it cost