Saw blades with alternate top bevel teeth and anti-kicking back device, are suitable for cuttingsoft and hard wood with knots.
锯片呈平齿交叉斜齿，具有防反弹的保护设计，适用于切割各种有树节的干燥软、硬材。
2
Used soft cuttage method, the thesis studied the promotion of different cutting substrates, plant growth regulators etc in cutting rooting of softwood.