man-made features是什么意思

用法例句

Analysis of slope angle effect on the stability of a retaining wall on slope by numerical simulation method;

坡角对坡间挡土墙稳定性影响的数值模拟分析

Assessment on double anchor construction project of subgrade retaining wall on slope and its parameters optimization with numerical simulation;

结合栖莱高速公路K59+470～K59+630半填半挖段路基建设问题,提出坡间挡土墙“双锚”建造方案。

In the construction of retaining wall with steep slope grade,manual hole digging piles are adopted in combination with reverse working for ramming reinforced concrete wall panel.

高坡挡土墙施工中采用人工挖孔桩，并结合逆作法捣筑钢筋混凝土墙板的方法，具有无需土方大开挖、无需支撑、施工安全和节约基建投资等优点。