AI智能推荐题库-试题通 AI智能整理导入题库-试题通
×
首页 题库中心 英语考试练习题库 题目详情
CA39A87AC5100001864A16A01F609B10
英语考试练习题库
2,739
单选题

662、The second method does not require pressurization of the pneumatic crossover manifold, but utilizes an external airsource connected to the air charging valve manifold to pressurize the reservoirs for ground maintenance.

A
 The second method is that it is not necessary to pressurize the pneumatic crossover manifold but to use an external airsource connected to the air charging valve manifold to pressurize the reservoirs f for ground maintenance.
B
 Pressurization of the pneumatic crossover manifold and use of an external air source connected to the air charging valvemanifold to pressurize the reservoirs for ground maintenance is the second method.
C
 B You can use the second method to pressurize crossover manifold and use an external air source connected to the aircharging valve manifold to pressurize the reservoirs for ground maintenance.

答案解析

正确答案:A

解析:

解析:注释: not require=not necessary 不需要,不必。B、C 均将否定变肯定,直接排除

相关知识点:

二法无需交叉歧管加压

英语考试练习题库

扫码进入小程序
随时随地练习

关闭登录弹窗
专为自学备考人员打造
勾选图标
自助导入本地题库
勾选图标
多种刷题考试模式
勾选图标
本地离线答题搜题
勾选图标
扫码考试方便快捷
勾选图标
海量试题每日更新
波浪装饰图
欢迎登录试题通
可以使用以下方式扫码登陆
APP图标
使用APP登录
微信图标
使用微信登录
试题通小程序二维码
联系电话:
400-660-3606
试题通企业微信二维码