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double seamer：封罐机

double seam welder 双层缝焊机 | double seamer 封罐机 | double seater 双座机

double seamer：(双重卷边)封罐机

double refraction of flow 流动双折射 | double seamer (双重卷边)封罐机 | double seaming 双重卷封;双重卷边

double seamer：双重卷封机

"双折射","double refraction; birefringence" | "双重卷封机","double seamer" | "双室真空包装机","double-chamber vacuum packaging machine"

double seater：双座机

double seamer 封罐机 | double seater 双座机 | double sensor 双电阻传感器

Double dotted semibreve：复附点全音符

"复附点休止符","Double dotted rest" | "复附点全音符","Double dotted semibreve" | "复附点全休止符","Double dotted semibreve rest"

Double dotted semibreve rest：复附点全休止符

"复附点全音符","Double dotted semibreve" | "复附点全休止符","Double dotted semibreve rest" | "复附点十六分音符","Double dotted semiquaver"

Double dotted semiquaver：复附点十六分音符

"复附点全休止符","Double dotted semibreve rest" | "复附点十六分音符","Double dotted semiquaver" | "复附点十六分休止符","Double dotted semiquaver rest"

Double dotted semiquaver rest：复附点十六分休止符

"复附点十六分音符","Double dotted semiquaver" | "复附点十六分休止符","Double dotted semiquaver rest" | "复附点十六分音符","Double dotted sixteenth note"

Double shackle：双吊耳

Double seat valve 双座阀 | Double shackle 双吊耳 | Double throat carburetor 双腔化油器

Double shackle：双钩环

double sequence 二重序列 | double shackle 双钩环 | double shaft gas turbine 二軸式ガスタービン

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