查询词典 double-barrelled

double-focus X-ray tube：双焦点X射线管

double-focusing mass spectroscope,双聚焦质谱仪器 | double-focus X-ray tube,双焦点X射线管 | double focusing,双聚焦

double-focus X-ray tube：双焦点

double-focusing mass spectroscope 双聚焦质谱仪器 | double-focus X-ray tube 双焦点 | double focusing 双聚焦

double Y connection：双星形连接,YY连接[法]

"double wound synchronous generator ","双线绕式同步发电机" | "double Y connection ","双星形连接,YY连接[法]" | "double zigzag connection ","双曲折连接,双曲折接法"

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-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

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.