inner elevator 中文意思是什麼
inner elevator
解釋
內側升降舵-
Elevator to topmost or lowermost shih clean out inner call
電梯行至最高或最低時清除內叫 -
Elastic mid - strength rock wool board : used for heat preservation, fireproofing and sound absorption for the building wall / roof, such as curtain wall, inner wall partition and elevator hoistway, etc
有彈性,中等強度巖棉板:適用於建築墻體/屋頂保溫、防火、吸音,如幕墻、內墻隔斷、電梯井等。
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