查询词典 double-hung

double-headed spicules：骨针

二重火山 double volcanoes | 骨针 double-headed spicules | 双倾褶曲 double-plunging fold

double-hook oil ring：双刃刮油环

double-helical gearbox 人字齿轮减速器 | double-hook oil ring 双刃刮油环 | double-hulled ship 双壳体船

double column open-back inclinable power press：双柱开式可倾压力机

double column milling machine 双柱铣床 | double column open-back inclinable power press 双柱开式可倾压力机 | double column open-back press with fixed bed 双柱开式固定台压力机

double column open-back press with fixed bed：双柱开式固定台压力机

double column open-back inclinable power press 双柱开式可倾压力机 | double column open-back press with fixed bed 双柱开式固定台压力机 | double column planer 双柱刨床

Double Salchow：二周沙克跳

2.Double Toe-walley二周点华利跳 | 3.Double Salchow二周沙克跳 | 4.Double Flip二周菲利普跳

double phantom circuit：双幻像电路

double petticoat insulator ==> 双裙绝缘子 | double phantom circuit ==> 双幻像电路 | double phase fault ==> 双相短路故障

double pin sucker rod：两头阳螺纹的抽油杆

double pin sub 两头阳螺纹接头 | double pin sucker rod 两头阳螺纹的抽油杆 | double pipe longitudinal finned exchanger 套管式纵向翅片管换热器

Double plate clutch：双盘离合器

Double piston type vauum servo brake 双活塞真空助力制动器 | Double plate clutch 双盘离合器 | Double reduction rear axle 两级减速后轴

Double plate clutch：双盘式离合器

double overhead camshafts 双顶置凸轮轴 | double-plate clutch 双盘式离合器 | double-tee 工字形的

Double plate clutch：双片式离合器

double-piston 双活塞 | double-plate clutch 双片式离合器 | double-plunger plastic injection moulding machine 双柱塞塑料注模机

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