Slow-burning log
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
A slow-burning log is made of a solid-fuel material of a vegetable origin， the log having upper， lower and side surfaces， upper and lower vertical incisions， which are made opened on the side surface， and which extend from the upper and lower surfaces respectively， towards the opposite surface without reaching it， wherein the lower vertical incisions are not coupled between each other and uniformly alternate with the upper vertical incisions， characterized in that the upper vertical incisions couple between each other inside the log body thereby forming a middle hole， in addition， the ends of the lower vertical incisions are higher than the ends of the upper vertical incisions， and the upper and lower vertical incisions are provided in an amount of not less than three respectively.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
