upward pass
英
美
- 上挑式传棒
相关词汇
upwards
upward
upward-looking sonar buoys
upward system of ventilation
upward-looking bowl sundial
upward-looking echo sounder
upward sublevel filling method
upward cut-and-fill mining
upward diffusion cloud chamber
upward oblique unwatering hole
upward revaluation of currency
upward displacement ventilation
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