The permanent waterproof measures of Beijing Metro are very important to ensure no seepage and leakage axed to satisfy transportation safety and structure operational life requirements.
为确保地铁结构不渗不漏，满足运营安全和结构使用年限要求，做好地铁结构永久防水至关重要。
Do research on tunnel lining with no seepage and no leakage.
隧道不渗不漏衬砌施工技术研究。
In order to ensure no light leakage, no water seepage, must use neutral silica gel sealing panel and the buckle side contact (which is a waterproof measures easily and effectively in low cost).
为保证不漏光、不渗水，必须要用中性硅胶密封面板与扣边接触处（这也是一种容易有效成本低廉的防水措施）。
The methane tank has the advantages of no easy chaps, no methane leakage, no water seepage, and good sealing performance.
本发明具有不易龟裂、不漏气、不渗水、密封性好的优点。
The methane tank has the advantages of no easy chaps, no methane leakage, no water seepage, and good sealing performance.
本发明具有不易龟裂、不漏气、不渗水、密封性好的优点。
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