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- This paper has summed up the application of GPR to the detection of pavement thickness and highway structures, analyzed the physical prerequisites of GPR in thickness and structure detection, and compared this technique with the drilling borehole method. 摘要对探地雷达检测道路厚度结构的应用现状进行介绍,分析雷达检测道路厚度结构的物理前提。
- drilling borehole cast-in-place concrete pile 钻孔灌注桩
- long - drilling borehole 长钻孔
- After a long drill he told the squad to fall out. 操练了好半天之后,他让这个班解散了。
- There was a long lag in forwarding mail to us. 转寄给我们的邮件晚了很久才拿到。
- You can keep my book as long as you like. 我的书你要借多久都随你的便。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- UNICEF has provided hundreds of thousands of water purification tablets to residents of Harare.It is also drilling boreholes and distributing clean water in many of Harare's highly populated suburbs. UNICEF已经向哈拉雷的居民提供了数千万水净化药剂 .;同时,在人口密集的郊区也穿井,分配洁净水
- The beggar spun a long yarn about his misfortunes. 那个乞丐编造了一大篇自己如何遭遇不幸的故事。
- How long will our food supplies hold out? 我们的储粮还能维持多久?
- It was a long trudge up the hill. 那段上山的路很难走。
- Mr Jones has a long history of heart trouble. 琼斯先生有长期的心脏病史。
- But in deep well drilling practices of long open hole,the homogeneous gns generally invades borehole. 但在一些长裸眼段深井的钻井实践中,常常会遇到均匀气侵溢流。
- Cream cakes are no long a luxury. 奶油蛋糕再也不是奢侈品了。
- It took a long while to do the work. 做这个工作花了许多时间。
- Between ourselves, that young man's hair is much too long. 就咱俩之间说说,那小伙子的头发实在是太长了。
- It may take a long time to find a solution to the problem. 也许要花很长时间才能找到解决这个问题的办法。
- It was very thoughtless of you to keep her waiting so long. 你让她等那么久也太不体谅人了。
- He delivered a long prose full of platitudes. 他发表了一篇充满陈词滥调的文章。
- Long hair for men came in in the sixties. 男子留长发在六十年代流行。