创建自己的小题库
搜索
【判断题】
运行中高压加热器进汽压力允许超过规定值。（）
A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈
收藏
举报参考答案：
举一反三
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
do not use naturally produced fertilisers
B.
produce carbon dioxide when removing weeds
C.
use high doses of weed-killer
D.
use too many resources to qualify for organic status
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
they are approved by many experts
B.
C. they won’t cause diseases
C.
B. they taste better than standard foods
D.
they are free from pesticides
【单选题】中间不完全冷却的双级蒸汽压缩式制冷循环是指（）。
A.
冷凝液体从冷凝压力到蒸发压力先后经过两个节流阀
B.
将低压压缩机的排气冷却到中间压力下的饱和温度后进入高压压缩机
C.
将低压压缩机的排气冷却，但未冷却到中间压力下的饱和温度
D.
没有将低压压缩机的排气冷却到冰点
【单选题】按照供汽压力的大小，将蒸汽采暖分为三类：供汽的表压力等于或低于0.07MPa时，称为( )。
A.
高压蒸汽采暖
B.
低压蒸汽采暖
C.
中低压蒸汽采暖
D.
真空蒸汽采暖
相关题目：
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
do not use naturally produced fertilisers
B.
produce carbon dioxide when removing weeds
C.
use high doses of weed-killer
D.
use too many resources to qualify for organic status
【单选题】Most shoppers know the feeling. You stand in front of piles of organic produce and wonder what those premium prices are buying you over and above what you get from standard foods. Not a lot nutrition-...
A.
they are approved by many experts
B.
C. they won’t cause diseases
C.
B. they taste better than standard foods
D.
they are free from pesticides
【单选题】中间不完全冷却的双级蒸汽压缩式制冷循环是指（）。
A.
冷凝液体从冷凝压力到蒸发压力先后经过两个节流阀
B.
将低压压缩机的排气冷却到中间压力下的饱和温度后进入高压压缩机
C.
将低压压缩机的排气冷却，但未冷却到中间压力下的饱和温度
D.
没有将低压压缩机的排气冷却到冰点
【单选题】按照供汽压力的大小，将蒸汽采暖分为三类：供汽的表压力等于或低于0.07MPa时，称为( )。
A.
高压蒸汽采暖
B.
低压蒸汽采暖
C.
中低压蒸汽采暖
D.
真空蒸汽采暖
参考解析：
AI解析
重新生成
题目纠错 0
发布
