英语词汇protractor head是什么意思，protractor head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	protractor head
释义	protractor head　量角器头, 分度规头, 分度器头
随便看	visible items visible laser transition visible light visible light visible light autokinesis visible means visible means visible means visible menas visible mutant visible oil flow gauge visible output visible photon visible radiation visible radiation visible range visible record visible record equipment visible reflection visible region visible reserve visible search visible sensation visible signal visible sky angle

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