The friction increases with the decrease in solid surface finish and tends to decrease with the increase in its surface hardness.
土壤摩擦力还随固体表面光洁度降低而增加，随表面硬度增加而趋于减小。
The friction increases with the decrease in solid surface finish and tends to decrease with the increase in its surface hardness.
土壤摩擦力还随固体表面光洁度降低而增加，随表面硬度增加而趋于减小。
应用推荐