... Correspondence Column 读者来信栏 column pile 柱桩 ; 端承桩 column drill 柱架式钻机 ; 柱状岩取心钻 ; 取心钻 ; 立式钻床 ...
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... 偏心钻 eccentric bit; eccentric drill bit 取心钻 column drill; coring tool; drifter drill 心钻头 core bit ...
基于1个网页-相关网页
取心钻头 core bit ; core drilling bit ; coring crown
取心钻进 core-drilling ; core boring ; drilling
牙轮取心钻头 core cone bit ; coring cone bit
不取心钻进 [油气] non-core drilling ; non-coring drilling
柱状岩取心钻 column drill
金刚石取心钻头 diamond core bit ; DCB
锥形取心钻头 tapered core bit
筒式取心钻头 barrel-type core bit
金刚石取心钻井 diamond core drilling ; diamond coring
当取心钻具采用双层管时，钻进所用的钻头就需要用普通双管钻头。
Conventional double tube bits should be used as bits for drilling, while coring tool is double tube.
基岩钻探方法以采取普通硬质合金清水回转垂直取心钻进，覆盖层采用干钻。
For bedrock drilling ordinary hard alloy driller can be adopted for vertical core-drilling with the addition of clear water during rotation. for overburden dry drilling process can be adopted.
他们沉降下去网、挖掘机、深海温度测量器、静态照相机、水瓶、以及取心钻管和测流计。
They lowered nets, dredges, bathythermographs, still cameras, water bottles, coring pipes, and current meters.
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