哪有太阳能热水器原理及安装实例（图）？

【专家解说】：太阳能热水器原理详图 http://bbs.shejis.com/thread-1493247-1-1.html 图解真空管太阳能热水器工作原理 http://nx8.net/news/21/2005-4-27_19545610853.html 相关图片 http://images.google.cn/images?client=aff-os-worldbrowser&ie=utf-8&oe=UTF-8&hl=zh-CN&q=%E5%A4%AA%E9%98%B3%E8%83%BD%E7%83%AD%E6%B0%B4%E5%99%A8%2B%E5%8E%9F%E7%90%86%2B%E5%AE%89%E8%A3%85%E5%9B%BE&um=1&sa=X&oi=image_result_group&resnum=1&ct=title