1) reasonable depth
合理进深
1.
Determine reasonable depth of house based upon lighting standards;
依据采光标准确定住宅合理进深
2) optimum drill depth
合理钻进深度
3) economic limit depth
合理深度
1.
Study on the economic limit depth of deep mine;
深井开采经济合理深度的研究
4) reasonable extra-depth
合理超深
1.
Experimental study on reasonable extra-depth of blast hole when space loading taking place at the bottom of inclined deep hole in open pit mine;
露天矿倾斜深孔底部间隔装药爆破合理超深值试验研究
5) rational burying depth
合理埋深
6) reasonable drawdown
合理降深
补充资料：进深
指建筑物纵深各间的长度。即位于同一直线上相邻两柱中心线间的水平距离。各间进深总和称通进深。