2026.09.03
Can Two Opposite Helix Steel Strand Layers Under One PE Sheath Carry A 43 Kilometer Heat Pipeline Pull Across Three Road Headers Without Losing Distributed Acoustic SNR
Double‑layer opposite‑helix steel‑stranded PE‑sheathed buried sensing‑cable. Torque‑cancelling high‑tensile DAS cable for long‑distance pipeline road‑...