Grounding electrodes connection, with stainless steel belt and threading pipe, the introduction of inspection Wells, the construction unit of the azimuth, depending on the actual conditions.
接地极连接，用不锈钢带和穿线管，引入检查井的方位，由施工单位，视现场实际情况确定。
2
Aiming at the technological requirements of tractor wheel hub threading, the electrical and hydraulic control parts for tapping unit combination machine tool were designed.