但是，该公司还通过落地式大摆钟，壁炉，图画，楼梯井和其他家用固定装置来建造隐蔽门。
But, the company also constructs hidden doors from grandfather clocks, fireplaces, paintings, stairwells, and other household fixtures.
表面材料为铝，加上窗棂和一些隐蔽装置，这给室内提供了最佳的保温隔热、降噪和耐候性能。
The aluminum facade, adorned with mullions and concealed fittings, offers maximum thermal insulation, noise reduction and weather resistance.
电气接地装置属隐蔽工程，设计、施工和验收各环节均需严格规范。
The electricity earthing device belongs to a shelter engineering, the key chains in design, construction and acceptance must be in accordance with relevant standards and codes.
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