防脱落手工顶板
上下双层面板,两侧边内翻,与龙骨凹槽反扣、起到支撑与固定作用,防止面板脱落,是理想的吊顶材料。
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.