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【简答题】
高压加热器允许的温度变化率是多少?
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题目标签:
高压加热器
加热器
温度变化
参考答案:
参考解析:
刷刷题刷刷变学霸
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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
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【简答题】低压加热器设有()和()。
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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.
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
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【单选题】PTC是指电阻率与温度变化成()。
A.
正比
B.
反比
C.
恒定
D.
随机
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【简答题】管加热器的作用是:()。
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【单选题】响尾蛇能感知0.01℃的温度变化。
A.
是
B.
否
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【多选题】⾼压加热器分为()
A.
混合式
B.
表⾯式
C.
对流式
D.
逆流式
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【单选题】NCC320柜配有()个230VAC,250W的加热器。
A.
1;
B.
2;
C.
3;
D.
4
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【简答题】叙述酶活性与温度变化的关系。
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【简答题】高压加热器允许的温度变化率是多少?
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