D 开头单词
down-seat v.装在下部支架上
down-river adv.向下流漂移地；指向河流的下游飘移地
down-pipe [医] 下流管
down-payment n. 首期付款；分期付款的首笔付款
down-off n.塔底流出量
down-loaded adj.卸载的
down-load 卸载
down-like 仿羽绒
down-lead n.引线
down-home adj.美国南方的; 具有美国南方特征的
down-hearted adj.情绪低落的
down-flow spout [能源科学技术]降液管
down-feather 绒羽(动)
down-ender 翻卷机
down-converter 向下变换器
down-convection box type heater [能源科学技术]烟气下行式对流箱式炉
down-chain n.下行链路