Compared with water swellable gels that are commonly used in China at present, the thermal expansion gel has many obvious advantages. 与目前国内普通使用的遇水膨胀油膏相比,热膨胀阻水油膏具有明显的优势。
Ideas for generating electricity with water but without building dams to hold back rivers in reservoirs are in development, according to the NHA. 国家水力发电协会表示,不需建坝阻水而有利于水力发电的构想已在发展当中。