试卷F

132 Y453行，可钻式桥塞的工作压差是？

发布于 2021-04-19 22:44:05

【单选题】
A 10~20M帕
B 15~20M帕。
C 20~30M帕
D 35~70M帕

关注者

0

被浏览

81

89887603 2023-04-19

这家伙很懒，什么也没写！

此回答被采纳为最佳答案，开通VIP会员可查看

1 个回答

撰写答案

请登录后再发布答案，点击登录

关于作者

子豪、

这家伙很懒，什么也没写！

提问

回答

739

被采纳

739

关注TA

发私信

相关问题

1

AG022输气生产中不容易产生静电聚集的设施是() 。

2

A. She went out to watch a film. B. She did her homework all night. C. She did homework and watched TV. D. She did nothing.

3

利用参加能力验证计划的结果来对试验室的能力进行判定时，通常不做出合格与否的结论而是使用“满意/不满意”或“离群”的概念。

4

AG023雷电造成的直接危害是() 。

5

13. A. Because she thinks football is boring. B. Because she thinks football is violent. C. Because she can't understand its rules. D. Because she can't play it.

6

AG023雷电造成的间接危害是() 。

7

14. A. A hero and his wife B. A man and his dog. C. A father and his kids. D. A teacher and his students.

8

337.电力电容器按结构分类()三种

9

AG023直击雷防护装设避雷针、避雷线、避雷网、避雷带。一般要求接地电阻不超过() 。

10

检验检测机构能力验证计划中，和参加者相比，要求参考实验室的测量不确定度()。

发布
问题

手机
浏览

扫码手机浏览

在线
客服