构件支撑
- 网络element support; member support
构件支撑构件支撑
element support
打印 ... econnomical hauling distance 土方调配经济运距 element support 构件支撑 elevation 高程(标高) ...
member support
译网情深 - 打印文章 - ... 临时支护 temporary support 构件支撑 member support 钢拱支撑 steel arch support ...