查询词典 double-decked

double-acting cylinder：双作用油缸

double-acting capstan 双动手摇绞盘 | double-acting cylinder 双作用油缸 | double-acting double piston rod oil cylinder 双作用双活塞杆式油缸

double ruled surface：双直纹面

"双极双投开关","double pole double throw switch" | "双直纹面","double ruled surface" | "双直线翘曲面","double ruled warped surface"

double pole single-throw switch：双极单投开关

double-pole double-throw switch 双极双投开关 | double-pole single-throw switch 双极单投开关 | double-pole switch 双极开关

double pole single-throw switch：双刀-单掷开关

double-pole double-throw switch;双刀-双掷开关 | double-pole single-throw switch;双刀-单掷开关 | double-pump barrel assembly;双泵筒[体]总成

double hook; sister hook：双钩

double dragging 双船曳网作业 | double hook; sister hook 双钩 | double knot; double sheet bend 双重死结节

double summer time：提前二小时的夏令时

double summer time 双重夏令时提前二小时的夏令时 | double summer time 提前二小时的夏令时 | double summer time=British double summer time 英国提前二小时的夏令时

Triple Double：三双(个人得分、篮板球和助攻都达到两位数)

两双(个人得分和篮板球都达到两位数) double-double | 三双(个人得分、篮板球和助攻都达到两位数) triple-double | 四双(个人得分、篮板球、助攻和盖帽/抢断都达到两位数) quadruple-double

On the double! Double march：跑步

便步走! At ease march! | 跑步! On the double! Double march! | 跑步前进! Double time!

double meshes：双线编网目

double knot; double sheet bend 双重死结节 | double meshes 双线编网目 | double pipe type 套管式[冷冻]

double-point crank press：双点曲轴压力机

double-point breaker 复式断电器 | double-point crank press 双点曲轴压力机 | double-point double-throw switch 双刀双掷开关

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.