“reverse pitch”的概念、定义、翻译、参考文献-科学参考

单词	reverse pitch
释义	reverse pitch [ri`vǝrs `pich] ^{MECHANICAL ENGINEERING} A pitch on a propeller blade producing thrust in the direction opposite to the normal one.
随便看	paraffin oil paraffin press paraffin scale paraffinum liquidum paraffin wax para-fluoroaniline para-fluorophenylacetic acid paraformaldehyde paraganglion paragastric paragenesis paragenetic paragenetic mineralogy paragenetic sequence parageosyncline paragglutination paraglider paraglomerate paragnath paragneiss paragon paragonimiasis paragonite paragranuloma paragraph

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