更多"在氨制冷系统中，处理空气在( )处。"的相关试题:
[单项选择]氨制冷系统中，在( )处处理空气。
A. 集油器
B. 汽液分离器
C. 空气分离器
D. 高储器
[单项选择]A．氨的毒性增加B．氨的生成增加C．氨的吸收增加D．组织对氨的敏感性增加E．促进氨透过血脑屏障便秘
[单项选择]氨制冷系统中，寻求漏氨部位通常用酚酞试纸在每个焊缝、接头处检查，如有泄漏，酚酞试纸会变成( )。
A. 红色
B. 绿色
C. 紫色
D. 蓝色
[单项选择]
阅读下面的短文，文中有15处空白，每处空白给出了4个选项。
Preferences Vary on Circumstance of Dying
Among terminally iii people, attitudes differ on what they think
constitutes a (1) or bad death, the results of a new study
suggest. Dr. Elizabeth K. Vig of the University of Washington in
Seattle and colleagues interviewed 26 men with (2) heart
disease or cancer. The men were asked to describe good and bad deaths, and they
also answered questions about their (3) for dying.
"In this small study, terminally ill men described good and bad deaths
(4) "Vig said. "They did not hold uniform views about such
issues (5) the presence of others at the very end of life or
preferred location of death." Many of the men considered
(6) in their sleep to be a good death. The reasons were varied
and included not (7) that death was imminent, and that death
would be painless. For close to half of the men, a prolonged de
[单项选择]
阅读下面的短文，文中有15处空白，每处空白给出了4个选项。
Car Thieves Could Be Stopped Remotely
Speeding off in a stolen car, the thief thinks he has got a great
catch. But he is in a nasty surprise. The car is fitted with a remote
immobilizer (使车辆不能调动的装置), and a radio signal from a control center miles away
will ensure that once the.thief switches the engine (1) , he
will not be able to start it again. For now, such devices
(2) only available for fleets of trucks and specialist vehicles
used on construction sites. But remote immobilization technology could soon
start to trickle down to ordinary cars, and (3) be available
to ordinary cars in the UK (4) two months. The
idea goes like this. A control box fitted to the car incorporates (5)
miniature cellphone, a microprocessor and memory, and a GPS satellite
positioning receiver. (6) the car is stolen, a coded
cellphone signal will tell the unit to block the
