无灰尘 、 污迹或杂质的;未污染的.Free from dirt, stain, or impurities unsoiled.干净的: 无灰尘 、 污迹或杂质的;未污染的.Clean: Free from dirt, stain, or impurities unsoiled.仔细观察涂膜玻璃上是否有可疑物体及杂质,如有用灰尘夹子清除可疑物体或杂质.Check the coated glass carefully , if there...