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【多选题】
原料蒸汽加热器的主阀旁路开启进行加热器预热时，操作人员应确认（）。
A.
加热器内已经建立了稳定的C8A循环
B.
吸附塔具备升温条件
C.
吸附塔内的物料温度高出原料温度相同
D.
原料高出吸附塔内物料的平均温度应小于25℃
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【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】某车间采用热风采暖，热媒为30kPa的蒸汽，加热器的理论排水量为200kg/h，所配疏水器设计排水量应是下列哪一项
A.
200kg/h
B.
400kg/h
C.
600kg/h
D.
800kg/h
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】某车间采用热风采暖，热媒为30kPa的蒸汽，加热器的理论排水量为200kg/h，所配疏水器设计排水量应是下列哪一项
A.
200kg/h
B.
400kg/h
C.
600kg/h
D.
800kg/h
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