The ship pipeline is a pipe used to connect various mechanical equipment on the ship to transport water, oil, gas and other related working fluids. There are two main types of ship pipelines: power pipelines and ship system pipelines. The power line is used for various pipelines for the main engine and the auxiliary machine. It has fuel, oil, cooling water, compressed air, exhaust gas, waste heat and other pipelines. The ship system pipeline is to improve the ship's anti-sinking and stability, in order to meet the normal living needs of the crew and passengers.