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extension core barrel 伸缩岩心管
After having completed the model analysis of the pressurized water reactor (PWR) core barrel in an l:10 model, the dynamic characteristics are obtained. 在反应堆1:10模型上进行了堆芯吊篮结构的空气和静水中模态分析试验,获得动态特性。
The application of two types of self designing and developing core barrel in tertiary sandstone containing shingle and conglomerate of Songliao Basin was introduced. 介绍了自行设计加工的2种取心钻具在松辽盆地第三系含砾砂岩、砂砾岩层的应用情况。
Run in hole core barrel. 下取芯筒。
Raising the stability of outer core barrel is the main approach to extend the life of core bit and to raise core recovery and the footage of single core barrel. The outer core barrel with centralizer is an effective method to raise its stability. 提高外筒稳定性是延长取心钻头寿命、提高岩心收获率及单简进尺的最主要途径,而外筒加扶正器是提高其稳定性的有效方法。
The test and popularization results of the method of putting in stalk through pulling apart core by Using the long core barrel in Sichuan hard rocks are simply presented in this article. 本文简要介绍了拨断岩心接单根方法在四川硬地层长筒取心中的试验和推广效果。
Core barrel blockage usually occurs in the unconsolidated and broken sand formation coring.If this is not detected in time then the core will be worn out easily, and the data will be lost. 在疏松及破碎砂岩地层取心时,经常会遇到的问题是堵心或卡心,若没有及时发现容易磨心,使资料丢失。
Research of Core Barrel Blockage Alarm Device 堵心监视装置的研制
Core barrel heads for core drills 岩心钻岩心管接头
Core barrel with rubber container 橡胶套岩芯桶
Core barrel with rubber core container 橡胶套岩心筒
Core drilling with long core barrel 长筒取心
HZ308 Multi-Function Core Barrel HZ308多功能取心钻具
He asked for an extension of his visa. 他申请延长签证有效期。
single swiveling double-tube core barrel 单动双管取心器
He built an extension onto his house. 他给自己的住宅扩建了一部分。
Extension of the injured arm was painful. 把受伤的胳膊伸展开是很疼的。
By extension, an array of any number of dimensions. 广义来说，矩阵可以是任意维数的数组。
Considering the complex coring situation in Sichuan,it is proposed to popularize the"three joints"and"two jioints" outer core barrel assembly,and the setting position of centralizer on outer core barrel is discussed also. 本文结合四川地区取心复杂的情况,建议推广“三节式”和“两节式”外筒组合,并对扶正器在外筒上的安放位置进行探讨。
The hard core in the party make all the decisions. 这个党的核心成员决定一切。

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