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【单选题】
锅炉蒸发表面(水面)汽水共同升起产生大量泡沫并上下波动翻腾的现象叫汽水共腾。汽水共腾的处置措施是( )。
A.
连续排污阀并关闭定期排污阀
B.
减弱燃烧力度汽阀
C.
停止上水以减少气泡产生
D.
增加负荷迅速降低压力
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