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Earth sciences
containing
螺旋
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Chinese
English
交绕
螺旋
crossover spiral
垂直
螺旋
仪
vertical gyro
(scope)
布丁
螺旋
精选机
budin spiral concentrator
研究性
螺旋
钻土机
Research Earth Borer
螺旋
传动
screw gear
螺旋
桨式风车
propeller windmill
螺旋
波场
helical field
螺旋
试验风洞
spin tunnel
螺旋
钻径规
钻
twist drill gauge
螺旋
钻径规
钻
twist drill gage
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