Complex sentence: The smaller gas turbines rated 2,000 kW turbines are used for cruising speed, for sprint speed a second, larger gas turbine is combined providing a total of 6,000 kW to the waterjet on each shaft line.
Split into simpler sentences: The smaller gas turbines rated 2,000 kW turbines are used for cruising speed. For sprint speed a second, larger gas turbine is combined providing a total of 6,000 kW to the waterjet on each shaft line.