防脫落手工頂板
上下雙層面板,兩側(cè)邊內(nèi)翻,與龍骨凹槽反扣、起到支撐與固定作用,防止面板脫落,是理想的吊頂材料。
With upper and lower double-layer panels, and its two sides turning inward toreversely buckled to the joist qroove to support and fix the panel to prevent itrom falling off. this plate is the ideal ceiling material.