Indeed, background leakage is so pervasive that water suppliers accept 3,500 litres of water per kilometre of pipe per day as the minimum achievable loss.
事实上,底面渗漏现象随处可见,供水商也接受了每日每千米管道3500升的最低漏水量。
2
Under the normal condition use general lubricating grease, you had best use heavy water lubricating grease for pump if too much leakageloss.
正常情况下使用普通润滑脂,泄漏过大则最好使用泵用重水润滑脂。
3
Downstream rotor-stator interaction increases the unsteady fluctuating intensities of the rotor tip clearance flow and the tip leakageloss.