The determination of diameter and length of tube well filter is always a problem not being completely solved for a long time in tube well engineering from theoretical and practical point of view.
英
美
- 長(cháng)期以來(lái),管井過(guò)濾器直徑和長(cháng)度確定一直是管井工程未完全解決的理論和實(shí)踐課題,迄今,有關(guān)規定不同,存在學(xué)術(shù)見(jiàn)解分歧,也存在諸多值得討論的問(wèn)題。
