This paper expounds the conception of the compactness, introduces some methods for detecting the field compactness such as the sand cone method, the cutting ring method, the nuclear magnetometer method, and the core-drilling method, etc.
阐述了压实度的概念，介绍了灌砂法、环刀法、核子仪法、钻芯法等现场压实度的检测方法。
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This paper introduces a new method cutting the profile of tooth of large gear ring, which has no upper limit diameter.
介绍了一种大型齿圈齿形加工的新方法，并对其加工原理、主要参数的选择计算和切削试验结果进行了分析。
Cracked tungsten tubes prepared by chemical vapor deposition were investigated by ring machine cutting method and X? Ray stress analysis system.
采用切环测量法及X射线应力分析方法对化学气相沉积制备的开裂钨管进行测量与分析。
To improve efficiency and veracity of soil sampling in testing bulk density, the cutting ring method and in situ soil tube method were combined and a multi-segment in situ soil sampler was designed.
为了提高土壤容重测定中土样采集的效率和精准性，将环刀法和原状取土管法结合，进行了分段式原状取土器的研制。
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