查询词典 double-barrel

double oscillograph：双线示波器,双电子束示波器

double motion agitator 双动搅拌器 | double oscillograph 双线示波器,双电子束示波器 | double pleximeter 双扣诊板

double oscillograph：双电子束示波器

double oscillator 双振荡器 | double oscillograph 双电子束示波器 | double overcoating cloth 双重厚大衣呢

double oscillograph：双线示波器

double orientation 双取向 | double oscillograph 双线示波器 | double passage swivel joint 双通回转接头

double osculating plane：双重密切面

双重否定 double negation | 双重密切面 double osculating plane | 双卵线 double oval

double penis：双阴茎(畸形)

Double parasitic monsters; Asymmetric duplicity 非对称联胎; 寄生联胎 | Double penis 双阴茎(畸形) | Double pneumonia 双肺炎

double petticoat insulator：双裙绝缘子

double line to neutral fault 双相接地故障 | double petticoat insulator 双裙绝缘子 | double phase fault 双相短路故障

double petticoat insulator：双裙碍子

"double opener","复式开棉机" | "double petticoat insulator","双裙碍子" | "double plane clutch","双板离合器"

double petticoat insulator：双裙绝缘碍子

"double pancake winding ","双饼式绕组" | "double petticoat insulator ","双裙绝缘碍子" | "double phantom balanced telegraph circuit ","双幻均衡电报电路"

Double phaeton：双排座活顶旅行车

Double overhead camshaft 双顶置凸轮轴 | Double phaeton 双排座活顶旅行车 | Double-piston engine 对置活塞式发动机

Double phaeton：双排座活顶旅桥式起重机

Double overhead camshaft 双顶置凸轮轴 | Double phaeton 双排座活顶旅桥式起重机 | Double-piston engine 对置活塞式策念头

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.