作业环境空气质量合格率 ηk、有效风量率 ηu合格标准为 ( )%。
更新时间:2024-11-24 03:09:50 A、≥65B
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"______thefriendshipbetweenourtwopeoplelastforever!",andwiththissincerehope,thepresidentconcludedhisspeech.
社会主义国家的政体基本上都是共和政体。
Therearesomepolicecarsinfront.Whatdoyousuppose_____?
各级人民法院是:
Thegreatuseofschooleducationisnotsomuchtoteachyouthings_____toteachyoutheartoflearning.