查询词典 existence proof

sound proof door：隔声门

sound proof chamber 隔声室 | sound proof door 隔声门 | sound proof housing 消声罩

sound proof door：防音

sound-proof concrete ==> 隔音混凝土 | sound-proof door ==> 防音ドア | sound-proof drilling rig ==> 隔音钻探设备

fire-proof dope：耐火涂布料

"防火区","fire-proof district" | "耐火涂布料","fire-proof dope" | "防火式电机","fire-proof machine"

Fire-proof door：防火门

fire-proof dilatation 膨胀防火涂料 | fire-proof door 防火门 | fire-proof finishing 防火加工

Fire-proof door：耐火门

fire-proof construction ==> 耐火构造 | fire-proof door ==> 耐火门 | fire-proof engine ==> 防火式电机

fire-proof machine：防火电机

fire-proof grease 耐火润滑脂 | fire-proof machine 防火电机 | fire-proof paint 防火油漆

fire-proof machine：防火式电机

"耐火涂布料","fire-proof dope" | "防火式电机","fire-proof machine" | "防火材料","fire-proof material"

fire-proof mat：耐火席子

fire-proof dope 耐火涂料 | fire-proof mat 耐火席子 | fire-proof petrol tank 防火油箱

come into existence/ come into being：开始生存

up to average 达到平均数 | come into existence =come into being 开始生存 | bring sth into existence 被动 开始生存

existence theorem of implicit function：隐函数的存在性定理

existence theorem for roots 根的存在性定理 | existence theorem of implicit function 隐函数的存在性定理 | existential quantifier 存在量词

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