悬浮澄清池宜用于浑浊度长期低于3000度的原水。当进水浑浊度大于3000度时,宜采用()式悬浮澄清池。 ["三层","双层","活动式","组合式"]
()是指防疫站等机构以防治疫病,包括防治流行病的发生为主要业务的活动。 ["A、医疗","B、卫生","C、医学研究","D、突发事故救助"]
设计隔板絮凝池时,隔板间净距一般宜大于()m。 ["1.0","0.8","0.5","0.3"]
计算固体凝聚剂和石灰贮藏仓库的面积时,其堆放高度一般当采用凝聚剂时可为()m。当采用机械搬运设备时,堆放高度可适当增加。 ["0.5~1.0","0.5~1.5","1.0~1.5","1.5~2.0"]
船舶离泊前进行单绑,一般船首留下哪些缆绳()? ["一根内舷头缆和一根倒缆","一根内舷头缆和两根倒缆","一根外舷头缆和一根倒缆","一根外舷头缆和两根倒缆"]
SF—26的意义?