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Tiejian Heavy Industry successfully lowered the 15m level cutting tool into the well, initially installed Tianyou cutting tools, and successfully excavated Tianyou Xingsheng

Author:PV:286 Time:2023-09-01

Tiejian Heavy Industry successfully lowered the 15m level cutting tool into the well, initially installed Tianyou cutting tools, and successfully excavated Tianyou Xingsheng