underpinning
上向连接井壁法
underpinning【矿】
暂无补充释义。
相关词条
underpinning
UNDERPINNING
underpinning (dead shoring), supporting
underpinning
propping, underpinning frame
underpinning【建】
underpinning【矿】
underpinning【矿】
暂无补充释义。
underpinning
underpinning
UNDERPINNING
underpinning (dead shoring), supporting
underpinning
propping, underpinning frame
underpinning【建】
underpinning【矿】