查询词典 double-barreled

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

double nipples：双头螺纹接管

double nipples reduced 大小头螺纹接管 | double nipples 双头螺纹接管 | double non-return valve 双止回阀

double bar and yoke method：磁棒轭两次互换测量法

"double armature cable ","双层铠装电缆" | "double bar and yoke method ","磁棒轭两次互换测量法" | "double base diode ","双基二极体"

McKenna：麦肯纳(姓氏)

officers n.政府官员, 军官, 警官, 船长vt.指挥 | mckenna 麦肯纳(姓氏) | disappointing adj.使人失望的, 令人失望的

rapid：激流

他们穿过很多美丽的峡谷,绕过无数大瀑布(cataract)、激流(rapid)和瀑布(waterfall). 带着仅有的两艘船,和几乎完全耗尽的给养,剩余的六个人终于到达了维尔京河(Virgin)的摩门教定居点. 这里,是他们一百天探险的终点.