... 全(直)径岩心core of whele diameter 取心钻井core-drill 钻孔岩心采取率core recovery of drilling hole ...
基于1个网页-相关网页
diamond core drill 金刚石钻岩机 ; 金刚石打孔钻 ; 钻机
core drill machine 岩芯钻机
sinking seafloor core drill 沉入海底岩心钻机
shell core drill 套式扩孔钻 ; 筒形扩孔钻
core drill for wood working 木工空心钻
all-hydraulic core drill 液压岩心钻机
shot core drill 钻粒岩心钻机 ; 冲击取心钻
hand-feed core drill 手把进给岩心钻机
submarine core drill 侮氏心钻
The effectiveness and accuracy of the algorithm is demonstrated by the performance prediction experiments of the diamond core-drill.
套料钻加工性能试验结果表明预测结果和实际结果吻合程度较好,验证了GA-BP网络模型在套料钻性能预测中的有效性和准确性。
参考来源 - GA·2,447,543篇论文数据，部分数据来源于NoteExpress
It can also be seen in Fig. 12.2 that a core drill has flat end.
在图12.2中同样能看到，空心钻具有平坦的端部。
In the paper, a new working layer structure of diamond core drill for solving the problem is introduced which can increase the efficiency and the working life of the drilling tool.
文章介绍了金刚石钻孔工具一种新的工作层结构，该结构可以有效解决钻孔工具排粉散热难问题，提高钻孔工具的工作效率，延长钻孔工具的使用寿命。
Introduction is made on the development, technical parameters, main features, version verification test, production trial and appraisal of CD - 3 core drill.
介绍了CD - 3型岩心钻机研制情况、技术参数、主要特点及型式检验、生产试验和鉴定情况。
应用推荐