door roller  车门滚子; 滚轮

Sliding door roller series  推拉门用轮系列

door guide roller  门滑轮

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

roller-ball-roller  滚柱-滚珠-滚柱

smooth roller and teeth roller  光辊和齿辊

“Chinese door knob”plum and peach cake  门丁李桃

5-door  丹尼尔·劳厄

A Door A Meter  双层类脂膜(BLM); 一户一表

a fireproof door  防火的

A pair of flexible leg door shelfs  双伸缩腿门架

a sign hung above a door  匾

access door  检修门; 人孔; 检查门; 通道门; 便门; 入孔盖; 人孔门; 进手门; 口盖; 出入门; 检视门; 进入门; 出入门检修门; 进出门