underground continuous support structure 地下连续墙支护结构
permanent continuous support 永续支持
simple and continuous support 先简支后连续
first simple and continuous support 先简支后连续
simple support to continuous support 先简支后连续
simple-supported into continuous support 简支转连续
continuous roof support 移动式支架
Continuous technique support 长期的技术支持
Continuous Acquisition and Life-cycle Support 持续采办和全寿命支持 ; 连续采办与全寿命保障 ; 连续采购和全寿命支持 ; 支持
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