查询词典 double-headed

double needle loom：双导纬针织带机

double needle bed machine 双针床针织机 | double needle loom 双导纬针织带机 | double non-return valve 双止回阀

double needle telegraph：双针电报

"double motor alternator ","双电动[同步]发电机" | "double needle telegraph ","双针电报" | "double oscillation ","双振荡[的]"

double stapped joint：双面搭板接合

"double standard","双重标准" | "double stapped joint","双面搭板接合" | "double star connection","星星接法"

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

highspeed boat：高速艇

high frequency 高频 | highspeed boat 高速艇 | horizontal a.水平的,卧式的

motherland; fatherland; homeland：祖国

584 最 most | 586 祖国 motherland; fatherland; homeland | 587 山 mountain; hill