论文部分内容阅读
椰子叶与波形板椰子树高二、三十米,巨大叶片在空中随风摇动,遇到飓风和暴雨,也很少被折断。为什么椰子叶片能
Coconut leaves and corrugated board coconut tree two or three meters, huge leaves shaking in the air, encountered hurricanes and heavy rain, but also rarely be broken. Why coconut leaves can