Unstable pluse dead-time processes with dead-time  不稳定时滞过程

conducting door-to-door visits  洗楼

door to door  户到户; 门到门运输; 挨家挨户

door- to-door transport  门到门运输

Door-to-Door  挨户访问的

door-to-door canvassing for sale  逐户兜售

door-to-door rent collection system  登门收租办法

Door-to-door selling  挨户推销

from door to door  挨家挨户地

“dead heart” moth  高梁黑点蛀螟; 单硝酸异山梨酯

a dead dog  废物

a dead duck  完蛋的人

a dead frost  彻底的失败

a dead heat  不分胜负的赛跑

a dead lift  需全力的事

a dead pig  一只死猪

a dead season  淡季

a dead secret  还未泄露的秘密

a dead shot  神枪手