即便是这样我们也要清洗，一般每月一次，按期用净水轻抹即可。
Even so we have to clean, usually once a month, on schedule with clean water can be lightly wipe.
天花本身具有防静电功能，所以其表面是不会沾染尘埃，护理只需定期用清水轻抺即可（一般每月一次）。
Smallpox has anti-static function, so the surface is not contaminated with dust, just regular nursing with water to wipe light (usually once a month).
软膜天花自身具有防静电功用，所以其外表是不会感染尘土，软膜天花护理只需定时用清水轻抹即可(通常每月一次)。
Soft film smallpox has its own anti-static function, so its appearance is not infected with dust, nursing soft film smallpox just regular wipe it with water (usually once a month).
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