Novel panel rod stand ensures drilling machine to achieve requested hole depth.
采用新型的盘式钻杆库，保证了钻机的钻孔深度。
While burning power density is weak, hole depth will be exponentially dependent on burning time.
弱场下，孔深与烧孔时间成指数关系。
The effects for power saturation of hole depth and power broadening of hole width were observed.
考察了光谱孔的功率饱和与功率加宽效应。
This paper mainly introduces a design of a tool measuring the nozzle hole depth in cylinder-head and its usage.
主要介绍柴油机气缸盖喷油嘴孔深度量具的一种设计和使用方法。
Supporting the use of impact drilling electric drill. Drilling, hole spacing with hole depth should meet the design requirements.
钻孔使用配套冲击电钻。钻孔时，孔洞间距与孔洞深度应满足设计要求。
The temperature gradient in blast hole was also measured and the temperature gradient was relative to the blast hole depth and its temperature.
同时，还进行了炮孔孔内温度梯度的测量，它与炮孔深度及其温度有关。
The type of explosive used, rock properties, and method of loading and sequence of firing the holes, affect hole depth, diameter, alignment and spacing.
采用的炸药的类型、岩石的特性、装岩方法、各个钻孔的起爆顺序，这些都影响着钻孔深度、直径、排列和间距的确定。
The results indicate that the decay coefficient of the peak value of blast wave with the distance will be reduced as the hole depth (charge length) is increased.
计算表明，炮孔深度(装药长度)增大，爆炸应力波峰值随距离的衰减指数减小。
And the bottom hole pressure in different depths is predicted, which can be found that the casing annulus velocity declines with the depth increasing at different hole depth.
并对不同井段处的井底压力进行了预测，发现在不同的井身深度条件下，其环空流速随井身深度的增加而降低。
The present utility model discloses a down-hole depth-determining water sampling apparatus for solving a problem that depth-determining water sampling can not be realized in the prior art.
本实用新型的井下定深取水样装置，为了解决现有技术中无法定深取水的问题而发明。
The present utility model discloses a down-hole depth-determining water sampling apparatus for solving a problem that depth-determining water sampling can not be realized in the prior art.
本实用新型的井下定深取水样装置，为了解决现有技术中无法定深取水的问题而发明。
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