Prepare spud plate and wire-line to check water depth.
准备测探板和钢丝绳测量水深。
2
Hydraulic drawworks consists of roller, wire line system, depth metering device, handle panel, hand device, etc. It has simple frame and is convenient to operate.
Furthermore, the deposition rate increases per unit of welding current by decreasing wire diameter, and adjustment of the penetration depth is enabled by alternating current wave form and polarity.