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【单选题】
某 PLC 的输出接口是晶体管电路,则其输出可驱动( )负载。A.
交流
B.
直流
C.
交、直流
D.
不能确定
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【单选题】夜班护士,凌晨4:00采用臭氧灭菌灯对治疗室进行空气清毒30 分钟,可进入治疗室的时间是:
A.
4:35
B.
4:40
C.
5 00
D.
5: 30
E.
6:00
【单选题】夜班护士,凌晨4:00采用臭氧灭菌灯对治疗室进行空气消毒30分钟,可进入治疗室的时间是
A.
4:35
B.
04:40
C.
05:00
D.
05:30
E.
06:00
【单选题】夜班护士,凌晨4:00采用臭氧灭菌灯对治疗室进行空气消毒30分钟,可进入治疗室的时间是
A.
04:35
B.
04:40
C.
05:00
D.
05:30
E.
06:00
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【简答题】Passage 8 Hobbies A hobby can be almost anything one likes to do in his spare time. Hobbyists raise animals, build model ships, make baskets, or carve soap figures. They watch birds, hunt animals, cli...
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