• 2022-06-10
    热力管道应设有坡度,汽水同向流动的蒸汽管道坡度一般为(),汽水逆向流动时坡度不得小于()。热水管道应有不小于()的坡度,坡向放水装置。
    A: 0.003,0.002,0.005
    B: 0.002,0.005,0.003
    C: 0.005,0.003,0.002
    D: 0.003,0.005,0.002