A300

?8519.The main cause of contamination in gaseous oxy- gen systems is

发布于 2021-02-18 22:11:22

【单选题】
A ?moisture.
B ?dust and other airborne particulates.
C ?other atmospheric gases.

关注者

0

被浏览

103

猫哥 2023-02-18

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

186****0683

这家伙很懒，什么也没写！

提问

回答

767

被采纳

767

关注TA

发私信

相关问题

1

?8516.The altitude controller maintains cabin altitude by modulation of the

2

忧郁症

3

?8517.Hot compressor bleed air operates the conditioned air system on some turbine aircraft, cold air supplied by the

4

?8518.For use in pressurized aircraft, which is generally the least complicated and requires the least maintenance?

5

压缩；缩短

6

紧迫的

7

?8520.Where does the last stage of cooling in an air-cycle air-conditioning system occur?

8

?8521.The point at which freon flowing through a vapor- cycle cooling system gives up heat and changes from a gas to a liquid is the

9

压迫；压抑

10

?8522.The point at which freon flowing through a vapor- cycle cooling system absorbs heat and changes from a liquid to a gas is the

发布
问题

手机
浏览

扫码手机浏览

在线
客服