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。
As a new technology of exterior insulation, polyurethane perfusion XPS compound plate has characteristics of good energy saving effect, large bond force and no seepage.
聚氨酯灌注XPS复合面板外墙外保温技术是一种新型的外墙外保温系统，其节能效果好，与基层粘结力强，不渗水。
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。
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