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现在使用的硫酸(液体或膏状)采脂法,是先在树上刈好鱼骨式侧沟,然后把酸涂在侧沟上,如此循环进行采脂。苏联中央林化研究所及其地区试验站的工作人员试验了一种新的采脂法,即在采脂季开始前,在刈面上同时将侧沟一次刈好,在采脂季中,则在侧沟上按照次序从上向下涂抹硫酸。第一次试验是1959在中央试验站作的,为了在
Sulfuric acid now used (liquid or paste) Lipid method is to first fish in the tree-shaped side ditch, and then the acid on the side ditch, so the cycle of liposuction. A staff of the Central Soviet Forest Research Institute and its regional pilot station experimented with a new method of picking fat, that is, before the beginning of the picking season, the side ditches were milled at the same time on the cutting surface. During the picking season, Sulfuric acid is applied from top to bottom in order on the ditch. The first test was made in 1959 at the Central Test Station, in order to be at