Other components of demand, such as consumption and construction, are recovering slowly, if at all.
需求的其他组成部分，如消费和建筑，正在缓慢的回升，希望这些都是根本上的。
Features: Good separation effect, small energy consumption and less construction cost advantages.
特点：分离效果好、能耗低、成本低等特点。
Features: Good separation effect, small energy consumption and less construction cost advantages.
特点：分离效果好、能耗低、成本低等特点。
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