发布时间:2025-01-30 15:08:24
分地域的,地域的不同,价格也就不一样,我是长春的。电加热一般品牌的应该在200-300之间(就是正常卖500左右的新的热水器),太阳能的,可以更加的便宜一些但是太阳能的到冬天,用着有点不给力呀。希望对你有用。
105米的梁尺寸400x900起拱高度和混凝土浇筑的高度是多少
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