residualis残余的residualadj.剩余的；残余的n.剩余部分；(复)追加酬金residual product副产品,残留产物,残余产品residual valency[化] 剩余价; 剩余化合价residual stretch剩余拉伸residual antigen剩余抗原residual gravity剩余重力residual welfare补缺型residual program剩余程序residual acidity残余性酸度,剩余酸度residual encoder剩余编码器residual orebody残留矿体