丙: the third of the Ten Heavenl ...火: fire类火: class a fire; class b b; class b fire b; class c c; class c fire c; class d d; class d fire d丙类: c-class; class c乙类火: class b fire类火灾报警: class a fire alarm; class b fire alarm b油类火灾: oil fire丙类地盘: class c site丙类电路: class c circuit丙类放大: class c amplificalion丙类放大器: class c amplifier丙类运行: class c operation丙类辅助电源: class c auxiliary power丙类海域水体: class Ⅲ marine water body丙类率放大器: class c power amplifier类火灾的灭火器: abcc; a、b、c丙类功率放大器: class c power amplifier丙类陆域地面水体: class Ⅲ surface water body丙类电子管工作状态: class c valve operation丙利酸钾: prorenoate pota ium; prorenoate potassium丙邻撑: propylene