1) active cave
发展中洞穴
3) development of cave tourism resource
洞穴资源开发
4) cliff dweller
居于洞穴中的人
5) caves
[英][keiv] [美][kev]
洞穴
1.
Study of Database Construction of Karst Caves in China;
中国岩溶洞穴数据库建设研究
2.
High-frequency seismic prospecting used to find caves in the rock-mass below stakes;
桩位下浅层基岩内洞穴的高频震波勘探研究
3.
When it was being drilled,a vertical well was drilled at first,and caves were made in coalbed gas sect,then a horizontal well were drilled at a distance of 200 m,horizontal segment were in connection with the caves,and 10 branch holes were lateral drilled symmetrically in horizontal sect.
钻进时,先钻一口直井并在煤层段造洞穴,在距200 m处钻一口水平井,水平段连通洞穴,再在水平段上对称侧钻出10个分支井眼。
6) cave
[英][keɪv] [美][kev]
洞穴
1.
Detecting badger cave disease in embankment by ground penetrating radar;
堤防动物洞穴的探地雷达探测研究
2.
Grouting applied to treatment of roadbase cave in loess areas;
注浆法在黄土地区公路路基洞穴处理中的应用
补充资料：金属材料发展史(见材料发展史)
金属材料发展史(见材料发展史)
history of metallic material
金属材料发展史historyor metalli。material见材料发展史。
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