A long artificial mound of stone or earth; built to hold back water or to support a road or as protection. 一个很长的人造的土堤或石堤;它可以用来挡水以支撑路基或保护财产的手段。
All animals in 76 degrees in back water scald 10 seconds, cause shallow 2 degrees skin burns. 所有动物于背部在76度水温烫伤10秒,造成浅二度皮肤烫伤。
Then according to the spawning and existing spawning of Chinese sturgeon hydrological data analysis of history. Chinese sturgeon spawning days are in the calendar year October back water process. 然后根据对中华鲟历史产卵场和现存产卵场水文数据分析,中华鲟产卵日虽处于历年10月份后退水过程中。
Harm and Prevention of Back Water(BW) Hammer 反水锤的危害及防止
Analyzed the main reason of low power for boiler air preheater and steam air heater because unreasonable drainage system lead to back water not flow smoothly and pipe vibration very big. 大坝发电有限责任公司II期锅炉空气预热器暖风器投入率底的原因,主要是由于疏水系统不合理,造成回水(BW)不畅,管道振动大。