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【单选题】
某热处理炉温度变化范围为 0~1350°C ,经温度变送器变换为 1~5V 的电压送至 ADC0809 , ADC0809 的输入范围为 0~5V ,当 t=KT 时, ADC0809 的转换结果为 6A ,此时炉温为( )A.
588.98℃
B.
288.98℃
C.
361.23℃
D.
698.73℃
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【单选题】You can include your hobbies or interests on your résumé because these may grab the recruiter's attention or serve as conversation starters. ( )
A.
True
B.
False
【简答题】母猪从这次发情征状消失至下次发情征状出现的时期,称 期。
【单选题】An ecosystem is a group ofanimals and plants living in a specific region and interacting with one another and with their physical environment. Ecosystems include physical and chemical components, such...
A.
An ecosystem is a community that includes animals,plants,and microscopic bacteria.
B.
Human activities can do great damage to local ecosystems,so human communities should be cautiously planned.
C.
In managing the ecology of an area,it is important to protect both human interests and the interests of other members of local ecosystems.
D.
People should remember that they are a part of the ecosystems where they live and work.
【多选题】根据路面破损情况的不同和对修复后路面质量等级的不同要求,就地热再生技术应用的施工工艺主要有( )。
A.
整形再生法
B.
重铺再生法
C.
复拌再生法
D.
破碎再生法
E.
间接再生法
【单选题】就地热再生技术受施工环境影响很大，要根据天气、气温、风力等调整加热功率和行驶速度，雨后、大风天气不能施工，环境温度不能低于( )。
A.
15℃
B.
10℃
C.
20℃
D.
25℃
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