What does hpscr mean?

Emission reduction system of low speed diesel engine. Ship hpscr system is the first set of low-speed diesel engine emission reduction system independently developed by China Shipyard. The company's R&D team independently completed the mechanical principle design, electronic control system design, product production and test, so the ship hpscr is a low-speed diesel engine emission reduction system. Ships are means of transportation or operation that can sail or berth in waters, and have different technical performance, equipment and structural types according to different use requirements.