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共找到 930565 与520=1-314=48÷100×1000= 相关的结果,耗时1462 ms rss sitemap
十一点法相对水深0.0,0.1,0.2,0.3,0.4,0.5,0.6,0.7,0.8,0.9,1.0的测点流速分别为1.20m/s,1.40m/s,1.50m/s,1.50m/s,1.40m/s,1.30m/s,1.20m/s,1.00m/s,0.80m/s,0.60m/s,0.20m/s,则该
冰期相对水深0.0,0.2,0.4,0.6,0.8,1.0的测点流速分别为0.30m/s,0.42m/s,0.40m/s,0.31m/s,0.19m/s,0.06m/s,则该垂线平均流速为()m/s。A、0.31B、0.30C、0.29D、0.28