全部

1·Can effectively replace shallow of medium-sized core drill core sampling exploration work.

可以有效的替代中型岩芯钻机的浅层岩芯取样勘探工作。

2·It is suggested that the collection of following information on drill core record compiling, core orientation, mine opening geological record compiling, et...

建议今后从地表填图、钻孔岩心编录、岩心定向、坑道编录等方面加强工程地质资料的收集。

3·It is suggested that the collection of following information on drill core record compiling, core orientation, mine opening geological record compiling, etc., should be strengthened from now...

建议今后从地表填图、钻孔岩心编录、岩心定向、坑道编录等方面加强工程地质资料的收集。

4·The riser's inner hollow core (a pipe within a pipe) is reserved for the drill string.

立管内部核心是空心的(管中管)，留给钻柱使用。

5·A drill assembly is typically a few tens of metres long and can only hold a core of ice of the same length.

一个钻取机通常有数十米长而且只能获取一个与之等长的冰芯。

6·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。

7·This allows the bit to drill around a central cylinder of rock, which is taken in through the bit and into the core barrel.

这样允许钻头围绕岩石的中心圆柱体钻进，并通过钻头进入取芯桶。

8·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。

9·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。

10·Core sampling drill for deep seabed shallow strata is necessary equipment in exploration of deep seabed mineral resources and survey of deep seabed geology etc.

深海浅地层岩芯取样钻机是进行深海底矿产资源勘探、深海底地质调查等不可缺少的重大技术装备。