Regenerable raw materials that are available in adequate quantities and forms of construction that have a minimal primary energy / greyenergy content should be given preference.
Regenerable raw materials that are available in adequate quantities and forms of construction that have a minimal primary energy / greyenergy content should be given preference.
那些有着最小初始能量/灰色能量并且在数量上与结构形式上合适的可以再生的原料应该优先考虑。