水泵的扬程在实际工程中用于哪些方面?
参考答案:
1,是将水由吸水井提升至水塔;
2,是消耗在克服管路中的水头损失。
---What about going to the movies this weekend?
----I went to the movies last weekend, so I want to do ___ this weekend.
A.different anything
B.different something
C.anything different
D.something different
我国农业社会主义改造中的过渡性经济组织形式及其性质是什么