工程案例
杭州市农村饮水安全提升工程坪山水厂官网延伸供水工程(使用DN150止脱胶圈)
Hangzhou Rural Drinking Water Safety Improvement Project Pingshan Water Plant Official Website Extension Water Supply Project (Using DN150 Non release Rubber Ring)
杭州市农村饮水安全提升工程坪山水厂官网延伸供水工程(使用DN150止脱胶圈)
Hangzhou Rural Drinking Water Safety Improvement Project Pingshan Water Plant Official Website Extension Water Supply Project (Using DN150 Non release Rubber Ring)