Valsa
基本解释
- 瓦爾薩
英汉例句
- On Infectious Degree of 25 Species of Poplar by Valsa sordida Nits.
25種楊樹感發爛皮病程度的研究。 - It is discussed the occurrence and harmfulness of valsa sordida of poplar in 4 aspects.
從4個方麪論述了楊樹爛皮病的發生槼律及危害性。 - Cause of occurrence of apple tree valsa canker and its control
蘋果樹腐爛病發生與蔓延的原因及防治 - Studies on Valsa Canker of Armandii Pine and its Control
華山松腐爛病及防治研究 - A Study on the Control Index of Valsa Canker of Armandii Pine
華山松腐爛病防治指標的研究