查询词典 double-hung

double-pointed nail：兩頭尖釘

"双线停车","Double parking" | "两头尖钉","Double pointed nail" | "双稜矩镜","Double prismatic square"

double-pointed nail：接合销

double point threshold ==> 两点差别阈 | double pointed nail ==> 接合销 | double polarity method for calibrating thermocouple ==> 热电偶双级检定法

Double-pointed hoe：两头鹤嘴锄

复V字形切口 Double V-shaped incision | 两头鹤嘴锄 Double-pointed hoe | 复心材 Double-summit

double-pointed tack：双尖钉

double-point toothing ==> 双点啮合 | double-pointed tack ==> 双尖钉 | double-pole connector ==> 双极插接器

double-pole switch：双刀开关

double phase short circuit 双相短路 | double pole switch 双刀开关 | double rail track circuit 双轨道电路

double-pole switch：同上

double-gauss type lenses 双高斯式物镜 | double-pole switch 同上 | double-quantum stimulated-emission device 双量子受激发射器

switch; double-pole single-throw：双极单向开关

"switch; double-pole double-throw","双极双向开关" | "switch; double-pole single-throw","双极单向开关" | "switch; emergency","紧急开关"

double-ported globe valve：双座球阀

double-pitch roof 双坡屋顶 | double-ported globe valve 双座球阀 | double-row bearing 双列轴承

double-riveted：双行铆接的

double-riveted seam 双行铆接缝 | double-riveted 双行铆接的 | double-rope pulley 双索滑轮

double-riveted seam：双行铆接缝

double-rigging luff 双套复滑车组 | double-riveted seam 双行铆接缝 | double-riveted 双行铆接的

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.