| 释义 |
sand stratum
基本例句
砂层
Quarternarysand stratumdevelopment, with surface run-off directly charging the underground water exists.第四系砂层发育，地表水对地下水有直接补给关系。
The resista nce decreases intensely when the slenderness ratio of the hot molding sand layer increases.阻力随干砂层长细比的增加而急剧减小。 |