1.Inheritance and variation in wood fiber length (WFL) of the Chinese white poplar clones at 4 sites were investigated.
本文对4个地点的毛白杨无性系进行了木材纤维长度遗传变异的研究。
2.Research on the design of vertical fine pulverizers of WFL series
WFL系列立式微粉碎机的设计研究