求翻译：各钢铁企业的高炉、转炉的除尘风机已逐渐用高压变频器取代原有的阀门、挡板、液力耦合器控制，有效地实现了冶炼生产的节能运行。是什么意思？

The iron and steel enterprises blast furnace, converter dust blower has gradually replace the inverter with high-pressure valve, baffle, hydraulic coupling control, the effective implementation of the smelting of energy-saving operation.

The iron and steel enterprises in the furnace, and AISC dust blower has gradually been used high-pressure transducer replace the valves, fender, hydraulic coupler control, effective in achieving the smelleding production, energy-efficient operation.

Various iron and steel enterprise's blast furnace, the converter dust removal air blower has gradually used the high-pressured frequency changer substitution original valve, the back plate, the fluid strength coupler control, has effectively realized the smelting production energy conservation movem

The blast furnace and converter dedusting fan of iron and steel enterprises have gradually replaced the original high-voltage frequency conversion control valves, bezel, hydraulic Coupler, effectively achieving the smelting production of energy-saving operation.

Fan of blast furnace, converter steel enterprises have gradually replace original with high voltage Inverter control valves, bezel, hydraulic couplers, effectively achieving the production-refining energy saving operation.