... 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 ...
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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
Core drill machines can be powered by electric hydraulic or air power sources.
核心动力的电动钻机器能、水力和空气动力来源。
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。
The main concrete cutting tools that are utilized include the wall saw, the flat saw, the core drill, and the wire saw.
混凝土切割工具，主要是利用包括看到墙上，单位锯核心钻、绳锯。
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