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 have any impurity and dust, clean out it with clamp.

youdao

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 have any impurity and dust, clean out it with clamp.

youdao