1) D-category reserves
D级储量
1.
The comparison between exploration and mining of Shaoguoyingzi gold deposit shows that the geological reserves of No 206 vein are zero,the ore amount of the category-promoted producible reserves of C -and D-category reserves decrease by 71.
33／，其中D级储量减少幅度更大，矿石量81。
2) change of reserves gradation
储量变级
3) reserves classification
储量分级
4) Categories of the reserves
储量级别
5) low-grade reserves
低级储量
6) measured reserves
a级储量
补充资料：储量
1.储藏的数量。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条