smoke vent system 中文意思是什麼
smoke vent system
解釋
煙管式火災報警系統-
Adopting the direct vent system could emit smoke to outdoor, you can save the cost of the installation of pipeline integrity of the chimney
採用把廢氣排到室外的水平排煙系統,您可節省安裝完整煙囪管道的費用。
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