查询词典 double-layered

double-thread hob：双头滚刀

double-thickness sheet glass 双厚窗玻璃 | double-thread hob 双头滚刀 | double-throw crank-shaft 双弯曲轴

double-throw disconecting switch：双投隔离开关

double-throw crankshaft 双臂曲轴 | double-throw disconecting switch 双投隔离开关 | double-throw switch 双投开关

double-U butt weld：双U形对接焊

double-J groove weld || 双J形槽焊 | double-U butt weld || 双U形对接焊 | double-U groove || 双面U形坡口

double cylinder rim drawback lock：双舌弹子门锁

double cylinder press 双滚筒印刷机 | double cylinder rim drawback lock 双舌弹子门锁 | double cylinder slip pump 双缸泥浆泵

double-sided drawing press：双边拉压机

double-sided diskette 双面软盘 | double-sided drawing press 双边拉压机 | double-sided floppy 双面软磁盘

double drift region avalanche diode：双漂移雪崩二极管

double base diode双基极二极管, 单结晶体管 | double drift region avalanche diode双漂移雪崩二极管 | double heatsink diode双重散热片二极管

(d)double drum dryer with spray feed：喷洒加料式双滚筒干燥器

(c)double drum dryer with splash feed飞溅布料式双滚筒干燥器 | (d)double drum dryer with spray feed喷洒加料式双滚筒干燥器 | (e)vacuum double drum dryer 双滚筒真空干燥器

double cage type mechanical drum washer：双笼式机械洗桶机

double cable winch 双索卷扬机 | double cage type mechanical drum washer 双笼式机械洗桶机 | double cage type motor 双鼠笼式电动机

double tariff electricity meter：二部电价制电度计,双价电度表

"double T steel ","H形钢,工字钢" | "double tariff electricity meter ","二部电价制电度计,双价电度表" | "double tariff meter ","二部电价制电度表"

double wedge airfoils：双楔翼型

double wave detection || 全波检波 | double wedge airfoils || 双楔翼型 | double wing spar || 双翼梁

colonial rule：殖民统治

colonial protectorate;殖民保护地;殖民被保护国;; | colonial rule;殖民统治;; | Colonial Secretary;辅政司;;

matrimonial agency：婚姻介绍所

21 deep love 深沉的爱情 | 22 matrimonial agency 婚姻介绍所 | 23 lover,sweetheart 情人