1) large diameter
大洞径
1.
So there s a successful model for large diameter drilling and grouting construction.
５ｍ，钻灌台车以同心齿圈方案解决了钻孔问题，并配以灵活的轨道系统，为大洞径钻灌施工提供了成功的范
2) big hole
大洞
3) extra-large chamber
特大洞室
1.
Excavation of spillway s extra-large chamber lies in area crossing F8 fault,karst cave and its influenced area,so,how to prevent land slipping and what kind of support to adopt is a key and difficult point in construction,especially constructional support of upper excavation.
阐述溢洪道特大洞室上层开挖通过溶洞群地段的超前地质钻探、上下分部短台阶开挖,自钻式锚杆及小导管注浆结合钢格栅、喷锚支护等综合处理措施的施工技术,与各位同行共同探讨。
4) opening double big holes
开双大洞
1.
There has no precedent go by about the lighting and aeration through opening double big holes in high-rise building construction.
高层建筑转换大梁开双大洞采光通风,没有先列可供借鉴。
5) three large caverns
三大洞室
6) Panxian Dadong
盘县大洞
1.
The Panxian Dadong, with a mapped passage of 1660m long is a large karst cave system complicated by multi genesis of morphology.
盘县大洞是一个形态和成因复杂的大型喀斯特洞穴系统。
2.
The fossil materials described in the present paper come from excavations of 1992 and 1993 at Panxian Dadong, a cave site in Guizhou Province of Southeastern China.
本文记述盘县大洞遗址１９９２—９３年发现的哺乳动物化石共计４３种，属于中更新世中、晚期生活在云贵高原和东南亚丘陵地区的过渡地带的动物群。
3.
The Panxian Dadong, Guizhou which was discovered recently is an important site for paleoanthropology and paleolithic archaeology.
本文记述贵州盘县大洞中—晚更新世洞穴堆积中的猴类化石，数量不多，被归入短尾猴（Ｍａｃａｃａａｒｃｔｏｉｄｅｓ）、熊猴（Ｍ。
参考词条
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