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二、构造概况 在叙述构造概况之前首先把湘中这带地区常用的主要建筑材料出产情形介绍如下: 1.木材——以用杉木为主,因多雨潮濕重,松木易生自蟻,相戒不用。长沙、湘潭、湘鄉及衡山四县都不是大量的产木区。但湘水上游江华一带盛产杉木、質量亦好,除供给湘中地区外,尚可外销。湘东的茶陵、攸县等处也产杉木。运输方便,供应毫無问题。
Second, the structural overview Before narrative structure overview First of the central area of Hunan Province, the main production of the main building materials are introduced as follows: 1. Wood - to use mainly fir, due to heavy rain and wet, easy pine wood from the ants, the ring No need to. Changsha, Xiangtan, Xiangxiang and Hengshan counties are not a large number of wood production areas. However, in Xiangjiang River, there are abounding areas in Jianghua, which are rich in fir and are of good quality. Except for supply in Xiangzhong area, they can still be exported. There are also Chinese firs in Chaling, Gifu, etc. in eastern Hunan. Convenient transportation, supply is no problem.