单词	make a strong position
释义	make a strong position 很有成就
随便看	production rule based on implications production rule for semantic network production rule for units production rulepr production rulePR production ruler production rule representation production rules production rule semantic networks 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