There is a kind of rough wall surface, which is said to be sound-absorbing.
有一种墙面是麻的，据说可以吸音。
Medium and small tanks and surface curvature radius of curve or surface smaller irregular equipment, building the air duct insulation and dew and wall body sound-absorbing heat preservation.
小型储罐及表面曲率半径较小的弧面或表面不规则的设备、建筑空调管道保温防露和墙体的吸音保温。
Additional, wall, condole can choose deadening very, if mineral wool is sound-absorbing board wait.
另外，墙壁、吊顶可选用隔音材料，如矿棉吸音板等。
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