thread root meaning in Chinese

螺根
螺纹根
螺纹牙底

Many of the threads root in the version of the desktop . the functions were transplanted combined the windows ce characters . the functions were system ' s hardware , data collection , date management , data dealing and serial communication
由于目前还没有检索到有基于windowsce环境下面的油液监测系统，因此很多思路都来自于桌面版的监测系统，结合windowsce特点，进行平台的移植。
Abstract : a method was put forward for the detection of the fatigue cracks at the thread roots of a drill pipe by using ultrasonic wave . the specific detection probes were designed . simulated cracks were detected . the results show that the probes can effectively detect the cracks whose depth is more than 1mm and the detection errors of the depth and length of the cracks are less than 1mm and 3mm respectively
文摘:钻杆螺纹根部疲劳裂纹是钻杆钻井服役中产生的常见缺陷类型，是钻杆螺纹发生断裂的重要根源.本文介绍了钻杆螺纹疲劳裂纹超声检测原理，设计了专用超声检测探头和检测装置，给出了检测试验结果，证明了钻杆螺纹疲劳裂纹超声检测的可行性和实用性