九漏 meaning in English

fistulous disease

Up to now , the drainage and waterproof system design of most railway tunnels in china did n ' t consider the action of external water load , based on the principle of unlimited drainage , so a great number of railway tunnels have the problem of leakage water , some of which are very serious
到目前为止，我国大部分铁路隧道防排水设计主要按“无限制排水” 、尚未考虑外水荷载的作用，按这样的原则设计隧道防排水存在许多缺陷，有“十隧九漏”的说法，带来了很多严重问题。