The technical characteristics and economic merit of indoor sound barrier was analyzed according to the design based on the fixed type and movable type barrier.
通过固定式及活动式声屏障的设计，分析了室内声屏障的技术特点和经济效益。
Meal with movable panels, beautiful fashion, dinner plate at both ends of a slide can be placed in the lift needed barrier.
配有可移动式餐板，美观时尚，餐板两端有滑道，可根据需要放置在升降护栏的。
Meal with movable panels, beautiful fashion, dinner plate at both ends of a slide can be placed in the lift needed barrier.
配有可移动式餐板，美观时尚，餐板两端有滑道，可根据需要放置在升降护栏的。
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