查询词典 double-purpose

double S 22-degree angle wrench：双S形22度斜口扳手

double rubberized fabric 双层胶布 | double S 22-degree angle wrench 双S形22度斜口扳手 | double safety pressure cooker 双保险压力锅

double t iron：工字钢

double suction pump 双吸泵 | double t iron 工字钢 | double tail 双尾翼

double t iron：工字铁

double strand mill 双线轧机 | double t iron 工字铁 | double tempering 二重回火

double t iron：工冷冻干燥机字铁

double strand mill 双线轧机 | double t iron 工冷冻干燥机字铁 | double tempering 二重回火

double T joint：十字接头

double swivel hook 双旋转钩 | double T joint 十字接头 | double T steel I字钢

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]"

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.