英语词汇semifocal chord是什么意思，semifocal chord的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	semifocal chord
释义	semifocal chord　半弦(翼型)
随便看	spring type welding spring up spring up spring up spring up like mushrooms spring upturned eye spring velocity spring washer spring washer spring water spring water spring water spring water spring wedge plate spring wheat spring wind spring wind tape spring winder spring wire spring-actuated stepping relay spring-clean spring-clean spring-clean spring-cleaning spring-cleaning

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