1) 3-D ledge
三维台阶
2) three-stepped shaft
三台阶轴
3) three-step method
三台阶法
1.
Conbining with the 2nd tunnel engineering of shizhi rock , the paper introduced construction technology of three-step method in Ⅳ , Ⅴ class rock in the shallow-buried unsymmetrical loading large section Passenger Dedicated Line tunnel, operating points and the deformation control measures .
文章结合狮公岩二号隧道工程,介绍了Ⅳ、Ⅴ级围岩中浅埋偏压大断面客运专线隧道三台阶法施工工艺,并对操作要点和变形控制措施进行了详细阐述,对同类施工有借鉴作用。
4) three steps
三台阶
1.
In this paper,the author introduces three steps in line with local conditions and "first lead to the hole,and then enlarge dig" method at the municipal complex environment of large-section tunnel,directly aiming at the the tunnel for different geological conditions.
介绍了大断面市政隧道在复杂环境下,针对不同隧道围岩地质条件,因地制宜采取三台阶法和"导洞先行、后续扩挖法",并采用动态监测手段,从而既有效控了制地表构筑物变形,又确保了隧道施工安全、快速顺利地通过浅埋段。
5) Three-dimensional mannequin
三维人台
6) three-dimensional strong-motion array
三维台阵
补充资料：β氧化铝单晶生长台阶
β氧化铝单晶生长台阶
蘸义簇袋鬓戮雄髯绪价韧 日氧化铝单晶生长台阶〔背散射电 子象)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条