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。

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Aiming at the technological requirements of tractor wheel hub threading, the electrical and hydraulic control parts for tapping unit combination machine tool were designed.

针对拖拉机轮毂的攻丝工艺的要求，设计了组合攻丝机床的电气与液压控制部分。

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Aiming at the technological requirements of tractor wheel hub threading, the electrical and hydraulic control parts for tapping unit combination machine tool were designed.

针对拖拉机轮毂的攻丝工艺的要求，设计了组合攻丝机床的电气与液压控制部分。

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