顶部用杨木和柳木搭出架子，苫上稻草或防水的当地野草来最大限度地减少热量损失。
Back roofs are made from poplar and willow wood. Straw or water-resistant local grass is used for thatch to help minimise heat loss.
以不同前角刨刀切制两种杨木和柞木刨片，根据参数分离法，对其流变性能进行了测定和研究。
Rheological properties of the flakes of poplar and oak woods cut with knives of various rake angles were studied by applying the method of parameter separation.
排骨架用进口弹性杨木和高强钢材制造而成，具有良好的弹性和透气性，整体承重在1500KG以上，舒适耐用；
The inner frames are made of imported flexible aspen wood and strong steel materials, which have excellent permeability, and are comfortable and durable. The inner frames can bear a weight of 1,500KG.
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