?大潮平均高潮面
... 小潮平均低潮位 mean low water neaps 大潮平均高潮面 h w o s t; h w s t; high water level of ordinary spring tide; high water of ordinary spring tide; high water ordinary spring tide; mdo marine diesel oil; mhws mean high water springs 平均大潮低低潮 mean lower low water springs ...