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【单选题】
测定烟气流量和采集烟尘样品时,若测试现场空间位置有限、很慢满足测试要求,应选择比较适宜的管段采样,但采样断面与弯头等阻力构件的距离至少是烟道直径的( )倍,并应适当增加测点的数量和采样频率。A.
1.5
B.
3
C.
6
D.
10
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反馈参考答案：
举一反三
【简答题】醉是以酒和盐作为主要调味料浸泡原料的方法，醉料的酒一般是二锅头酒和绍兴料酒。 ()
【简答题】土石坝施工质量控制主要包括（ ）的质量检查和控制。
【单选题】What entry on a dangerous cargo manifest concerning the classification of a cargo is correct ________．
A.
Class 8
B.
Class 3 - flammable liquid
C.
Division 2.2 - nonflammable gas
D.
All of the above are correct
【单选题】Astronomers were happy to know that their ____ about stars in the universe were correct、
A.
philosophy
B.
assumptions
C.
descriptions
D.
consumptions
【单选题】How to corre ct the error for Luke Ltd ?
A.
Dr. Repairing expense $500 Cr. Cash $500
B.
Dr. Computer equipment $500 Cr. Cash $500
C.
Dr. Cash $500 Cr. Computer equipment $500
D.
Dr. Repair ing expense $500 Cr. Computer e quipment $500
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