查询词典 drop back

drop a bomb：引起轰动, 引起惊慌

drop a bomb 引起轰动, 引起惊慌. | drop a brick 出丑, 失言. | drop a bucket into an empty well 空井打水, 徒劳无益.

drop bottom：活底

drop ball 落锤 | drop bottom 活底 | drop forging 落锤锻造

drop bottom：开底门,开口底

活节螺栓,舷窗诳峖Q螺栓 drop bolt | 开底门,开口底 drop bottom | 回降烟道式锅炉 drop flue boiler

drop bottom：落地门,炉底门,开底门,开口底

"drop bar","接地棒" | "drop bottom","落地门,炉底门,开底门,开口底" | "drop bottom cupola","开底熔铁炉"

drop bottom car：底卸式车

drop bottom cage 落底式罐笼 | drop bottom car 底卸式车 | drop cage 翻转罐笼

drop bottom car：底开门车

drop bottom bin 活底箱(与叉车配合使用). | drop bottom car 底开门车. | drop box [纺]升降梭箱.

drop bottom car：底卸式矿车

drop-bottom bucket ==> 活低式料斗 | drop-bottom car ==> 底卸式矿车 | drop-dead halt ==> 完全停机

drop bottom car：落底矿车

"drop-bottom cage","落底罐笼 ; 脱底笼" | "drop-bottom car","落底矿车" | "drop-feed oiling","注入给油法"

drop bottom cage：落底式罐笼

drop 滴 | drop bottom cage 落底式罐笼 | drop bottom car 底卸式车

drop bottom cage：落底罐笼 ; 脱底笼

"drop ball","落鎚" | "drop-bottom cage","落底罐笼 ; 脱底笼" | "drop-bottom car","落底矿车"

air ventilator：通风管

air purifier 空气滤清剂 | air ventilator 通风管 | air-bleed 空气分泄器

sound motion picture, talkie：有声电影

silent cinema, silent films 无声电影 | sound motion picture, talkie 有声电影 | cinemascope, CinemaScope 西涅玛斯科普型立体声宽银幕电影,变 形镜头式宽银幕电影