题目内容
(请给出正确答案)
[单选题]
相对湿度≤0.01g£¯cm3<£¯sup>的空气,相对应的露点应为()℃。
A.-20
B.-30
C.-40
D.-60
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A.-20
B.-30
C.-40
D.-60
A.2, 0.01g/cm3
B.3, 0.01g/cm3
C.2, 0.03g/cm3
D.3,0.03g/cm3
A.±0.01g/cm3
B.±0.005g/cm3
C.±0.001g/cm3
D.±0.002g/cm3
A.0.01g/cm3
B.0.02g/cm3
C.0.03g/cm3
D.0.05g/cm3