Big difference from multi-ply engineered wood flooring is the core. LY make full use of forest resources to finger joint smaller size wood, then make wider by thermo-pressure.
与多层复合不同是其基材的独特性：充分利用森林资源，将优质小规格木材指接增长，热压拼宽而成。
Since the 20th century, research on forest and slope-runoff yield has achieved a great progress, especial-ly in China are deeper and wider.
20世纪以来，森林与坡面产流的研究取得了长足进展，尤其在我国研究得比较深入与广泛。
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