1) phased mining
分期开采
1.
Technical and Economical Effect on Phased mining of Open-pit;
露天矿分期开采的技术经济效果
2) mining by areas or by stages
分区(期)开采
3) Mining by stages and by districts
分期分区开采
4) multistage limits
分期开采境界
5) open pit mining by stages
露天矿分期开采
1.
Application of open pit mining by stages in Taihe iron ore mine reconstruction and expansion project;
露天矿分期开采在太和铁矿改扩建工程中的应用
6) mining peiod
开采时期
补充资料：地理分期播种(见地理播种)
地理分期播种(见地理播种)
d 11bozhong粼龄燕羁见地理播种。
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