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英德
有道
百度
谷歌
图片
维基
百科
double uterus
重复子宫
双子宫
double uterus
double V butt joint
double V groove with ...
double V-belt
double V-groove
double vacancy
double vacuum process
double vagina
double valley
double value
double valve
double valves
double vane attenuator
double vane exhauster
double variant
double variation
double variation method
double vault
double vault tunnel
double vee clutch
double veil
double velvet loom
double vernier
double veto
double vibrator model
double vision
double vision test
double voltage connec...
double voltage rating
double volute
double volute casing
double vortex separator
double vote registere...
double wages
double wall
double wall box
double wall cofferdam
double wall dredge pump
double wall funnel
double walled air bath
double walled tank
double warp
double warp bagging
double warp machine
double waste
double water glass
double water innercoo...
double wave
double waves
double webbed plate arch
double webbed wheel
double wedge
double wedge airfoil
double weighing
double weight hydrogen
double welded butt joint
double welded joint
double welt
double whammy
double wheel crushing
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