隧道支撑【tunnel support】指的是隧道开挖过程中,为了防止围岩变形或坍落所设置的支护结构。常用的有构件支撑和喷锚支护两类。
在欧洲最古老城市的地下钻隧道——这个城市还是由木质地桩支撑起来的——听起来有些疯狂。
DRILLING tunnels beneath the wooden pillars that support one of Europe's oldest cities sounds mad.
在杆子,梯子或其他支撑结构上爬高作业,或在密闭的空间内工作,如坑道,隧道和爬线路空间。
Climb and work aloft on poles, ladders or other support structures or work in confined Spaces such as trenches, tunnels and crawl Spaces.
由于其强度和耐久性,CJ轴承甚至可作为盔甲电镀的一个重要部件被用于隧道天花板支撑系统。
Because of its strength and durability, CJ bearing even as the armor plating of an important part is used to tunnel ceiling support system.
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