mechanical thinning
常见例句
- Scientists recently studied the effects of mechanical thinning on two kinds of pecan trees in the southeastern United States.
研究人员最近研究了机器修剪对美国东南部两种山核桃树的影响。 - Scientists recently studied the effects of mechanical thinning on two kinds of pecan trees in the southeastern United States. 返回 mechanical thinning