1) ridger
起土铲
1.
To investigate the soil resistance and the active location between the ridger and soil, the test was carried out in the soil bin by the means of orthogonal test.
采用正交试验的方法,对起土铲进行了土壤阻力室内土槽试验,并通过观察确定了起土铲的主要触土部位。
补充资料：起土
1.挖土﹑掘土。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。