查询词典 double-fault

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 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

Double plate clutch：双片离合器

double planetary torque hub component;二级行星齿轮扭力轮毂部件 | double plate clutch;双片离合器 | double ratchet;双向棘轮机构

double plunger pump：双柱塞泵

双吸液环泵 double entry liquid ring pump | 双柱塞泵 double plunger pump | 双转子滑片泵 double rotor vane pump

double pole mast：双腿架

double plunger pump 双柱塞泵 | double pole mast 双腿架 | double pole single-throw 双刀单投

double nozzles：双喷嘴

双混沌:double-chaos | 双喷嘴:double nozzles | 双交换:double exchange

mine-run coal：原煤

"mine resistance","通风阻力 ; 矿阻" | "mine-run coal","原煤" | "mine salting","矿石渗杂"

PA: Pennsylvania：美国宾夕法尼亚州州名

ancestry 祖先(集合称), 家系, 血统 | Pa. Pennsylvania 美国宾夕法尼亚州州名 | booster locomotive 辅助机车