residual air残余空气,余气residualadj.剩余的；残余的n.剩余部分；(复)追加酬金residual marshall mixture残留稳定度residual heat application余热利用residual orbit distortion残余振荡residual organie solvents有机溶剂残留量residual activated sludge剩余污泥residual bearing capacity剩余承载能力residual chlorine removal除氯residual strain/stress残余应变/应力residual stress relieving消除残余应力residual-valence theory剩余化合价学说