water - retention material是什么意思 water - retention material怎么读
water - retention material的相关资料
water - retention material的用法和样例
- The waterproof material is suitable for use near the waterfall.
这种耐水材料适合在瀑布附近使用。 - The washbasin shall be made of easy-to-clean and impervious material.
洗手台内外应使用易清洗不透水材料构筑。
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