combined support system

• 联合支护

combined support system的用法和样例：

例句

1. The different effect of retaining structure between the soil nailing and combined pile-anchor for soft soil have been introduced in this paper.
   文章介绍了在复杂软弱土层施工环境下分别采用土钉墙支护与桩锚联合支护的不同效果。