At a low flow rate, fluid merely percolates through the void spaces between stationary particles.当流速低的时候, 流体只是穿过静止的颗粒之间的空隙.Water percolates through sand.水由沙中滤过.When gas percolates at a low speed in medium with low permea...
The pit is ventilated by a steel fan.矿井中用钢制通风机来保持空气流通。The bathroom is ventilated by means of an extractor fan.这个浴室使用抽风扇通风。The matter should not be hushed up, but freely ventilated.这事不应掩盖起来, 而应该公开自由讨论....
Atkinson has been told rest is the only cure for his ankle injury.阿特金森被告知休息是唯一能治好他脚踝伤的办法。Mr. Atkinson was duly quelled.阿特金森先生被及时地将了一军.The results are in good agreement with Atkinson numerical solutions.结果与Atkinson数值解非常一致...
The main complaints were irregular bleeding , amenorrhoea and prolonged bleeding.主诉主要是不规则出血 、 闭经、经期延长.Some people because this can abrupt temporary amenorrhoea, also exist.有的人因此会忽然暂时闭经, 也存在.Natural economy is an amenorrh...