滯洪系數(shù), 減速系數(shù) retardance coefficient: 滯流系數(shù)runoff retardance coefficient: 徑流滯留系數(shù)retardance: 延遲性burning retardance: 阻燃性fire retardance: 抗燃性;阻燃性; 阻燃性下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯