A.泡沫混合液供給強(qiáng)度不應(yīng)小于6L/(min·m2),連續(xù)供給時(shí)間不應(yīng)小于30min
B.泡沫混合液供給強(qiáng)度不應(yīng)小于6L/(min·m2),連續(xù)供給時(shí)間不應(yīng)小于60min
C.泡沫混合液供給強(qiáng)度不應(yīng)小于12.5L/(min·m2),連續(xù)供給時(shí)間不應(yīng)小于30min
D.泡沫混合液供給強(qiáng)度不應(yīng)小于12.5L/(min·m2),連續(xù)供給時(shí)間不應(yīng)小于60min