“propanoic acid”的概念、定义、翻译、参考文献-科学参考

单词	propanoic acid
释义	propanoic acid [¦prō·pǝ¦nȯ·ik `as·ǝd] See <<propionic acid>>
随便看	position representation position sensor position telemetering position transducer position vector positive positive acceleration positive afterimage positive angle positive area positive axis positive bias positive birefringence positive charge positive click adjustment positive clutch positive column positive correlation positive crystal positive definite positive derail positive-displacement compressor positive-displacement meter positive-displacement pump positive draft

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