double-door household refrigeration 双门家用冰箱

Double door air lock 双门气塞

double-door and dual-temperature refrigerator 双门双温电冰箱

Double-door 双开门

double door expansive laminoplasty 双开门椎板扩大成形术

double door wardrobe 双趟门衣柜

Double sliding door 双滑门 ; 双扇拉门

double acting door 推拉门 ; 双摇门 ; 双动门

double-door drop-bottom bucket 对开底卸料斗