词汇	aul-
释义	aul-stem.中空hollow管tube管材pipe相关词根aulo-
随便看	production rule system production run produc-tion run production run equipment production run equuipment production running production run tape productions production safety production safety ability production safety accident gene production safety control Production Safety Dept production safety emergency rescue production safety function production safety in coal mines production safety in Tianjin city production safety management production safety policy production safety responsibility system Productions,Alaryngeal Voice production-sale cell production sale conversion production-sale groups Production/sales