The world 's londons and bangkoks , he says , may become " hydro-cities , " their historic hearts and concentrated core development waterproofed and other areas " going with the flow . "

他说，在这种思路下，像伦敦和曼谷这样的城市也许会变身“水城”，它们的历史文脉和核心区域会做好防水设施，而其他地区则将“随波逐流”。

Crawlspace with trap door access for storage has been waterproofed by a professional waterproofing company using high quality materials .

装有活动门的储藏间均由专业公司采用高质量材料做过防水处理。