海事英语词汇
真空泵 vacuum pump风车式螺桨 vane propeller轮叶泵 vane pump可变速泵 variable speed pump可变冲程泵 variable stroke pump垂轴螺桨,摆线螺桨 vertical axis (or cycloidal, or vorth- schneider) propeller立式锅炉 vertical boiler可视警报 visible alarm可视听警报[器] visible and audible alarm垂直翼螺桨 voith-schneider propeller涡卷泵 volute pump涡流柱(螺桨) vortex cylinder 
