The background music used to circularly sowed the hair mode, special sound effect to use to trigger to broadcast the mode.

背景音乐使用了循环播发模式，特殊音效使用了触发播放模式。

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Stone wall has good sound insulation effect, low water absorption, acid resistance, not easily weathered, decorative strong, especially suitable for the television background wall.

石材墙面的隔音效果好、吸水率低，耐酸，不易风化，装饰性强，尤其适合做电视背景墙。

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