查询词典 answer a double purpose

double boiler：双层锅

double blow solid die cold header 双击整模冷镦机 | double boiler 双层锅 | double bond 双键

double ended boiler：双面燃烧式锅炉

double-end shears 双面压剪机 | double-ended boiler 双面燃烧式锅炉 | double-ended boiler 双头锅炉双面燃烧式锅炉

double ended boiler：双头锅炉双面燃烧式锅炉

double-ended boiler 双面燃烧式锅炉 | double-ended boiler 双头锅炉双面燃烧式锅炉 | double-ended ferry 首尾同型渡船

double ended boiler：两面燃烧式锅炉

double endbolt 双头螺栓 | double ended boiler 两面燃烧式锅炉 | double ended boiler 双炉门式锅炉

double combustion boiler：双炉膛锅炉

double column vertical lathe 双柱立式车床 | double combustion boiler 双炉膛锅炉 | double commutator generator 双整流子发电机

double combustion boiler：双炉镗锅炉

double-claw flexible coupling 双爪式挠性联轴器 | double-combustion boiler 双炉镗锅炉 | double-compound engine 双联双胀式蒸汽机

double combustion boiler：双炉瞠锅炉

双断开关 double-break switch | 双炉瞠锅炉 double-combustion boiler | 双曲叶片 double-curvature blade

double pressure boiler：双压式锅炉

double pressed stearic acid 二压硬脂酸 | double pressure boiler 双压式锅炉 | double probe 双联探测器

double pressure boiler：双路循环式锅炉

double-post bollards 双柱缆桩 | double-pressure boiler 双路循环式锅炉 | double-proted slide valve 双汽口滑阀

double fired boiler：双燃烧管锅炉

double filter 双联滤器 | double fired boiler 双燃烧管锅炉 | Double Fish shortcake 双鱼酥

binocular diplopia：双目双像

binocular colour mixing 双目混色 | binocular diplopia 双目双像 | binocular dixation 双眼注视,双眼视轴交会

sceptically：怀疑地 (副)

sceptical 习惯怀疑的 (形) | sceptically 怀疑地 (副) | scepticism 怀疑论, 怀疑主义 (名)