词汇“beldongrite”的意思、用法、释义、翻译、读音、例句、短语、词组-国际大辞典

单词	beldongrite
释义	beldongritebeldongrite[bilˈdɔnɡrait]n.1.■杂硅铁锰矿
随便看	aperture compensator circuit aperture correction aperture corrector apertured disc aperture delay aperture diaphragm aperture distortion aperture effect aperture equalizer aperture error of a sieve aperture filter aperture grill aperture grill picture tube aperture illumination aperture image aperture lens aperture loss aperture mask aperture mask tricolour kinescope aperture-mask voltage modulation aperture mixer aperture plate aperture plug aperture ratio aperture response

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