查询词典 double-layered

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

colonial rule：殖民统治

colonial protectorate;殖民保护地;殖民被保护国;; | colonial rule;殖民统治;; | Colonial Secretary;辅政司;;

matrimonial agency：婚姻介绍所

21 deep love 深沉的爱情 | 22 matrimonial agency 婚姻介绍所 | 23 lover,sweetheart 情人