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编者注：本词条为中国台湾地区学术名词用语，仅供参考。
单词
空投试验
释义
drop test
降落伞投落试验，试投，直线加速试验，坠落试验，空投试验
国防部新编国军简明美华军语辞典
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pitch attitude
pitch axis
pitch back
pitch ball
pitch bell
pitch blade
pitchblende
pitch-blende
Pitchblende (massive Uraninite)
pitchblende minerals
pitchblende, nasturan, uraninite
pitch board (bevel board)
pitch briquette
pitch chain
pitch chord ratio
pitch circle
pitch circle diameter{=PCD}
pitch circle diameter {= PCD}
pitch circle of worm
pitch circle of wormwheel
pitch circumference
pitch coal
pitch coke
pitch cone
pitch cone angle
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