All along, disastrous fire and leakage in tunnels are important problems about safety and health of tunnels.
隧道火灾和渗漏一直是隧道安全和健康的重要问题。
The article analyses causes for leakage in highway tunnels and introduces practice of Qifen drainable waterproof plate in a tunnel. And it also briefs how to apply the plate.
分析了山岭公路隧道渗漏的主要原因，介绍了奇封防排水板在某山岭公路隧道工程中的应用，并对其施工工艺做了阐述。
According to statistics, the leakage of traffic tunnels is a serious problem in China, and the overall quality of prevention and drainage projects in subway tunnels is not satisfied.
据统计，目前我国交通隧道渗漏水问题十分严重，隧道与城市地铁防排水工程的总体质量并不能令人满意。
Generally, tunnels are thus designed to operate under a drained condition. A great deal of uncertainties, however, remain concerning leakage controls in subsea tunnels.
一般来说，隧道的设计方案均允许适当排水，但是海底隧道设计为排水隧道时，存在流量控制等相关不确定性的因素。
Generally, tunnels are thus designed to operate under a drained condition. A great deal of uncertainties, however, remain concerning leakage controls in subsea tunnels.
一般来说，隧道的设计方案均允许适当排水，但是海底隧道设计为排水隧道时，存在流量控制等相关不确定性的因素。
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