‧【省水作戰】(二)馬桶篇省水的秘訣

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通常我們每個人平均每天要飲用九百公升的水,而家庭用水的部分則需要二百至三百公升的水,其中占最大宗的就是喜衣服、洗澡和馬桶用水。本片將帶領大家去了解如何利用馬桶來省水。
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