Will the light steel keel ceiling be deformed?
Generally not
Please adopt
If you acknowledge my answer, please accept it in time,
~ If you acknowledge my answer, please click on the "Accept Satisfactory Answer" button
~ ~ Mobile phone questions friends in the upper right corner of the client evaluation point [satisfaction] can be.
~ Your adoption is the driving force of my progress
~ ~ O (∩ _ ∩) O, remember praise and adoption, help each other
