Everyone must be armed at all times when outside the structure, and firearms training and drilling are scheduled for all base personnel.
任何人在基地外活动时都必须全服武装。所有基地人员都必须参加武器训练和演戏。
UNIT PRICES include for drilling mortices or forming mortices in the structure by whatever means necessary including diamond drilling, abortive holes etc.
单价包括在结构中钻孔或开榫眼，不管用什么方法（包括金刚石钻孔、磨孔等）。
The fixture used for oil hole drilling has both ID and od location by improving the structure of the fixture, so as to expand application scope and reduce production cost.
通过对轴承钻油孔夹具结构的改进，使钻油孔夹具内径与外径定位兼备，扩大使用范围，降低制造成本。
The structure and manufacture of new type of bits, working principle and types of fluidic drilling tools, action mechanism of anti-cave-in thinners, for difficult formation drilling were discussed.
阐述了难钻进地层用新型金刚石钻头的结构、制造特点，射流式钻具的原理、类型，以及防塌型稀释剂的作用机理。
In this paper, the structure feature and principle of this special drill has been introduced. Its special design is very useful for drilling thin-wall pipe.
本文介绍了薄壁管专用钻头的结构特点及工作原理，其结构设计新颖，对薄壁管的钻削有实用价值。
In order to meet the requirements for the position of hub hole, the paper introduces the structure principle, operation process and characteristics of simple drilling jig used in the beam drill.
为了满足轮毂孔的位置要求，介绍了在摇臂钻床上使用的简易钻模的结构原理、操作过程和特点。
In this paper, the structure and working mechanism of 7nb mud pump-a new mud pump for drilling are presented.
文章介绍一种钻井用新型泥浆泵—7 N B泥浆泵的结构、工作机理等。
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。
This paper described the structure, features, test results and application effect of the newly developed Model QFZ-22 portable drilling machine for outburst control.
介绍了新研制的QFZ—22轻便型防突钻机的结构、特点、试验情况及推广应用效果。
The results of the study can be used as a reference for the design and application of retractable drilling shaft lining structure.
研究成果可供可缩性钻井井壁结构的设计和应用参考。
The releasing gadget is an oil tool used for drilling cementing and production. Its structure and function are different from each other.
丢手机构是石油工程中常用的一种井下工具，其结构和特点各不相同。
Describes how to solve the problems of drilling and cutting for screws in the structure of bottle neck, to improve production rate and meet the demand of batch production for spare parts.
利用多轴组合钻解决瓶颈结构中螺孔的钻削问题，以提高劳动生产率，满足零件大批量生产的需要。
A novel structure of motorized spindle with aerostatic bearings for micro drilling is analyzed.
针对这些要求，提出了将空气静压轴承应用于超高速微钻削电主轴支承结构中。
The jacket cap for drilling is temporal structure and it can be used about 1 to 2 years.
钻井帽是临时性结构，使用时间即给定周期，一般约1～2年。
The jacket cap for drilling is temporal structure and it can be used about 1 to 2 years.
钻井帽是临时性结构，使用时间即给定周期，一般约1～2年。
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