查询词典 double-layered

double offset expansion "U" bend：双偏置U膨胀弯管

Double jacketed gasket|双夹套垫片 | double offset expansion "U" bend|双偏置U膨胀弯管 | Double offset expansion "U" bend|双偏置U膨胀弯管

double offset expansion "U" bend：双偏置U型膨胀弯管

双夹套垫片 Double jacketed gasket | 双偏置U型膨胀弯管 Double offset expansion"U" bend | 双面U形坡口 Double U groove

double offset expansion "U" bend：双偏置U形膨胀弯管

double module damper 双模数挡板 | double offset expansion U bend 双偏置U形膨胀弯管 | double paddle mixer 双轴搅拌机

double offset expansion U bend U：形回弯补偿管

double nuclear resonance magnetometer 双重核共振磁力仪 | double offset expansion U bend U形回弯补偿管 | double orientation 双取向

double expansion engine：二次膨胀式蒸汽机

double ended wrench 双头扳手 | double expansion engine 二次膨胀式蒸汽机 | double helical gear 人字齿轮

double expansion engine：双级膨胀蒸汽机

double equal-angle cutter 对称双角铣刀 | double expansion engine 双级膨胀蒸汽机 | double extension motor 双凸轴电动机

double expansion engine：双胀式蒸汽机

double entry 复式簿记 | double expansion engine 双胀式蒸汽机 | double extra heavy 特超重的特高强的

double expansion engine：双胀动力机

双胀动力机 double expansion engine | 双胀蒸汽机 double expansion steam engine | 双伸长 double extension

double five-spot：双五点井网;五点井网中相邻的两个单元井

double fillet welded joint 双面焊缝接口 | double five-spot 双五点井网;五点井网中相邻的两个单元井 | double folding 双重褶皱作用

double-quantity flush tank/basin：双倍量(抽水马桶)水箱

double-pole magnets with coils;带有线圈的双极磁铁;; | double-quantity flush tank/basin;双倍量(抽水马桶)水箱;; | double-zero option;双零点方案;;

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