YJ19供料系统风分除梗就是根据()的悬浮速度,利用风力将它们分离的过程。
参考答案:不同物料
The film on the novel by Simpson has got the first prize in the Oscar film festival.
A.based
B.basing
C.bases
D.being based
海平面的海拔高度记作0m,海拔高度为+450米,表示______,海拔高度为-102米,表示______.