词汇	arc crest
释义	arc crest 弧形堰顶
随便看	agricultural bioscience agricultural biotechnological industry agricultural biotechnology Agricultural Bio-technology agricultural biotechnology extension agricultural black soil agricultural bookkeeping Agricultural books agricultural-botanies agricultural botany agricultural-botany agricultural botany, agrobotany agricultural brands agricultural broadcasting and television school agricultural broadcasting school agricultural broker agricultural brokers Agricultural brokers agricultural building agricultural buildings agricultural bulldozer Agricultural Bureau agricultural business agricultural by product agricultural by-products