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超前支护
采用敷设钢筋、钢管或注浆等方法向隧道及地下工程施工开挖面前方施作的一种稳定开挖面及周边岩体的辅助支护措施。又称预支护或超前预支护。
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Yin Xi
yinxi
Yin Xian
Yinxiangcheng
Yin Xiangchu
Yinxian Sect of Taoism
Yin Xiumei
Yinxiuxuan Collection
Yinxue Shishu
Yinxue Wushu
Yinxue Wushu (Five Works on Phonology), 13 volumes
Yin Xu World Culture Heritage
yin-yang
Yin-yang-11 Meridians Classic of Moxibustion
Yin-Yang and five elements
yin yang classification of natural phenomena
yin-yang coil
yin-yang disharmony
yin yang effect
yin-yang effect
yin-yang grid
yin-yang nonexistence
yin-yang poisoning
yin-yang theory
yin-yang vital activity
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