水泥回转窑圆筒设备的特点是具有()倾斜度。
A.1%~2%
B.10%~15%
C.3%~6%
D.15%~J20%
参考答案:C
— This is the first time I ______ my first picture with my own hands.
— It's time that you ______ a picture for me.[ ]
A. took; took
B. have taken; took
C. took; will take
D. will take; have taken
转载台横向货满标准为货堆坡底线与() 重合。