皮皮学，免费搜题
登录
搜题
【多选题】
一水平放置的双杆液压缸,采用三位四通电磁换向阀,要求阀处于中位时,液压泵卸荷,液日 位机能用():要求阀处于中位时,液压泵卸荷,且液压缸不动,其中位机能用A.
0型
B.
M型
C.
Y型
D.
H型
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【单选题】- I hope to see Niagara Falls one day . What about going there? - Niagara Falls would be beautiful, but there is not much to do there.
A.
sometimes
B.
in the day
C.
a day
D.
some day
【简答题】华强公司是房地产开发企业,改革开放以来由于该企业重视开拓新的市场和保持良好的资本结构,逐渐在市场上站稳了脚跟,同时也使企业得到不断的发展壮大,在建立现代企业制度的过程中走在了前面。为了进一步拓展国际市场,公司需要在国外建立一个全资子公司。该子公司需要投资3000万元。财务总监张敏将向董事会汇报下年的总体财务计划。预算的重点在于融资方案的选择。公司目前的资本来源包括面值为2元的普通股2 000万股和...
【简答题】(作文参考答案如下) What causes people ’ s irrational behavior? There are a lot of people who behave irrationally, causing problems to themselves as well as to others. It ’ s hard to yze the exact causes b...
【简答题】Niagara Falls is a great tourist ___________, drawing millions of visitors every year. A) attention B) attraction C) appointment ...
【单选题】According to the passage, what difficulty did the social and behavioral sciences confront in the 1970's?
A.
The social and behavioral sciences lost out in the race for federal science funds.
B.
Governments are more than alarmed about a variety of social problem.
C.
Nearly half of all urban dwelling American males can expect to be arrested for some non-traffic offense during their lives.
D.
Most criminals halt their careers by age 25 to 30.
相关题目：
参考解析：
知识点：
题目纠错 0
发布
