| 着重ppr给水管中热水管各个标准的适用范围 |
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| <=":-;">><=":宋体;:12><=":-;">><=":宋体;:12><=":-;"> <=""> <=":-;"><; <=""> <=":宋体;:12><=":-;">><=":宋体;:12><=":-;">><=":宋体;:12><=":-;">80度以上的高温水循环，而且可以在高温环境下长期运用。 <=""> <=":-;"><; <=""> <=":宋体;:12><=":-;">><=":宋体;:12><=":-;"> <=""> <=":-;"><; <=""> <=":宋体;:12><=":-;">><=":宋体;:12><=":-;"> <=""> <=":-;"><; <=""> <=":宋体;:12><=":-;">><=":宋体;:12><=":-;">><=":宋体;:12><=":-;"> <=""> <=":-;"><; <=""> <=":-;"> <=""> <=":-;"> <=""> <=":宋体;:12><=":-;"><;&;&;&>> <=""> <=":宋体;:12><=":-;">><=":宋体;:12><=":-;"> |
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