双向板板底受力钢筋的放置应该是( )。A.短向钢筋在上，长向钢筋在下B.短向钢筋...

皮皮学，免费搜题

搜题

【单选题】

双向板板底受力钢筋的放置应该是( )。

短向钢筋在上，长向钢筋在下

短向钢筋是受力钢筋，长向钢筋是分布钢筋

短向钢筋在下，长向钢筋在上

短向钢筋在上在下无所谓

手机使用

复制链接

新浪微博

分享QQ

微信扫一扫

微信内点击右上角“…”即可分享

反馈

参考答案：

举一反三

【简答题】E—commerce involves exchanges among（）．

查看完整题目与答案

【单选题】All of the following were visions of e-commerce expressed during the early years of e-commerce except:

a nearly perfect information marketspace.

friction-free commerce.

disintermediation.

fast follower advantage.

查看完整题目与答案

【单选题】R134a 与R12的制冷剂系统中说法正确的( )

制冷剂可以互换；

冷冻油和制冷剂都可以互换；

冷冻油可以互换；

制冷剂和冷冻油都不能互换。

查看完整题目与答案

【判断题】将 R134a制冷剂加入R12系统中,由于R134a制冷剂与R12系统中的冷冻油不相溶,空调工作时,压缩机中的冷冻油被压出去后无法在随制冷剂返回,最后导致压缩机润滑不良而烧死。

正确

错误

查看完整题目与答案

【单选题】R134a与R12的制冷剂系统中的

制冷剂可以互换

冷冻油和制冷剂都可以互换

冷冻油可以互换

制冷剂和冷冻油都不能互换

查看完整题目与答案

【单选题】假如你原来在政府部门上班，每年有10万元收入。现在，你决定辞职经商，比如经营餐馆。每年的全部收入是11万元，会计成本是10万元。你这个决策正确吗？赚钱了吗？

正确，赚了11万元

正确，赚了1万元

不正确，没赚钱

不正确，亏了9万元

查看完整题目与答案

【判断题】将 R134a制冷剂加入R12系统中,由于R134a制冷剂与R12系统中的冷冻油不相溶,空调工作时,压缩机中的冷冻油被压出去后无法再随制冷剂返回,最后导致压缩机润滑不良而烧死。

正确

错误

查看完整题目与答案

【简答题】(名词解释)E-Commerce

查看完整题目与答案

【单选题】Which of the following statements about e-commerce is true?

E-commerce is technology in essence.

E-commerce is website building.

E-commerce is bubble.

E-commerce is commerce in essence.

查看完整题目与答案

【单选题】Which of the following is not true of e-commerce?

E -commerce ’ s Chinese name is 电子商务

Nowadays e-commerce Internet penetration rate was 60%.

To stay competitive, firms have searched for greater coordination and collaboration among supply chain partners to wring out the inefficiencies.

E lectronic commerce offers no opportunities to both developing and developed countries.

查看完整题目与答案

【单选题】All of the following were visions of e-commerce expressed during the early years of e-commerce except:

a nearly perfect information marketspace.

friction-free commerce.

disintermediation.

fast follower advantage.

查看完整题目与答案

【单选题】R134a 与R12的制冷剂系统中说法正确的( )

查看完整题目与答案

查看完整题目与答案

【单选题】R134a与R12的制冷剂系统中的

查看完整题目与答案

查看完整题目与答案

查看完整题目与答案

【简答题】(名词解释)E-Commerce

查看完整题目与答案

【单选题】Which of the following statements about e-commerce is true?

E-commerce is technology in essence.

E-commerce is website building.

E-commerce is bubble.

E-commerce is commerce in essence.

查看完整题目与答案

【单选题】Which of the following is not true of e-commerce?

E -commerce ’ s Chinese name is 电子商务

Nowadays e-commerce Internet penetration rate was 60%.

To stay competitive, firms have searched for greater coordination and collaboration among supply chain partners to wring out the inefficiencies.

E lectronic commerce offers no opportunities to both developing and developed countries.

查看完整题目与答案

参考解析：

知识点：

题目纠错 0

发布