其他条件相同的情况下,可交割券的票面利率越高,其转换因子越大。
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电缆隧道一边有电缆支架时,通道宽度最小允许距离是1.2m。
A. 正确
B. 错误
Which characteristic of Halon is a disadvantage when it is used as a fire extinguishing medium?()
A. Leaves a residue
B. Cost,relative to other agents
C. Breaks down while under prolonged storage
D. Conducts electricity
35kV架空线路跨越公路且在最大弛度时,导线对路面的最小垂直距离为()m。
A. 5.5
B. 6.0
C. 6.5
D. 7.0