颗粒污染物又称总悬浮颗粒物,是指能悬浮在空气中,空气动力学当量直径小于或等于()μm的颗粒物。A:100 B:200 C:500 D:800

作者: tihaiku 人气: - 评论: 0
问题 颗粒污染物又称总悬浮颗粒物,是指能悬浮在空气中,空气动力学当量直径小于或等于()μm的颗粒物。
选项 A:100 B:200 C:500 D:800
答案 A
解析

相关内容:颗粒,污染物,又称,颗粒物,能悬,空气,当量,直径

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