供应硅酸钙|硅酸钙|硅酸钙报价
板时，板与龙骨应做与钻孔，其孔径应比螺丝直径小1mm，用自攻钉固定时，应从板的中部向周边固定，且所有螺钉头均沉入板面1mm。在紧固时，板材必须与龙骨架钉牢。
Transportation
When delivery, the boards should be piled up in the way of board-to-board, then it is suitable for overseas transportation, road transportation and indoor store.
The panels could not be stored outsideorin the store near water. It must be stored in a smooth, no rain leaking, no dust and good ventilated warehouse. It should avoid moisture before
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09/11 12:06