单词	obes
释义	同obe
随便看	material cost method material credit slip material culture material curve material cycle material cycle--matter cycle material deficiency report material degradation material density material derivative material description material design material detail file material detail file maintenance material detail file maintenance－blanket purchase material detail file maintenance－manufacture material detail maintenance edit list material detail record material, diluent material-- diluent material-- diluted material discipline material discrepancy material discrepancy and action report material discrepancy and action report (mdar)