Innovative wood technologies were used for the building structure to economize on the use of natural resources.
将木材用于建筑结构的技术创新表现，从而节约自然资源的使用。
We should effectively protect, rationally exploit and economize on natural resources.
切实保护、合理开发和节约使用各种自然资源。
We should effectively protect, rationally exploit and economize on natural resources.
我们知道，必须节约使用自然资源。
We should effectively protect, rationally exploit and economize on natural resources.
我们知道，必须节约使用自然资源。
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