螺旋桨效率 meaning in English

airscrew efficiency
efficiency; propeller
propeller efficiency
screw efficiency

5 ) sea trial of the actual vessel . as a result , the effect of power - saving for the hd type ' s 70 , 000 deadweight panamax oil thaker is much higher , the performance of hd propeller is better than mau propeller and the cooperation among the hull , main engine and propeller is better too
试验结果表明：沪东型七万吨级巴拿马油轮的综合节能效果显著；沪东型（ hd ）螺旋桨效率较mau图谱桨性能优良；沪东型（ hd ）螺旋桨与船、机匹配，经实船航行试验验证船舶在满载状况下（ t 12