... 木质素磺酸盐 lignosulfonate 四球机 four-ball instrument 聚合物钻井液 polymer drilling fluid ...
基于210个网页-相关网页
与四球机测量结果比较，本文测量结果有较高的重复测试精度。
Compared with those obtained on a fall - ball tester, results on the disc-to-disc tester have higher retest precision.
介绍了利用图像处理技术在四球机试验中进行磨痕测量的方法和系统组成。
The paper introduces the method of wear away measurement in four_balls machine testing make use of image processing, and system formation.
文中采用传统的四球机法，对工投牌高扭矩钻具螺纹脂的摩擦系数进行了测试。
The paper measures the friction coefficient of Gongtou brand thread compounds for high torque drill tool.
应用推荐