根据我国航道条件就现有浅水拖输艏艉线型形状进行了探讨，从阻力和推进观点出发对满载水线、横剖面形状、半进水角和各种坠洞以及它们对螺旋桨的影响等加以分析、比较。
In view of the resistance and propulsion, the load water line, shape of sections, half Angle of entrance, forms of tunnel and their effect on propeller were analysed and compared.
计算结果表明新剖面螺旋桨方案的空泡斗要比常规剖面的宽。
Calculations show that the cavitation-free bucket diagram of new blade sections is wider than the conventional NACA sections.
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