porous sample是什么意思 porous sample怎么读
porous sample的用法和样例
- Hygrometers based on porous materials are neither accurate nor quick response.
以多孔材料作成的湿度计既不准确，响应又慢。 - Corners should be rounded and the external wall should be uniform in structure and porous to water vapour.
墙角应当抹圆，外墙结构应当均匀，且应当应用多孔材料。
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