船用螺旋桨；铝铸件；氧气。
船用螺旋桨喷涂的主要涂料是有机硅防污漆。
Marinepropeller spraying coatings are mainly organic silicon antifouling paints.
它们有的像风车，有的像关动物的笼子，还有的像船用螺旋桨。
能生产直径9米以内各种铜合金牌号，各种用途的船用螺旋桨。
The enterprise can manufacture all kinds of copper-alloy marine propeller with diameter up to 9m.
主要是因为现在还没有普遍适用的船用螺旋桨的设计和绘图方法。
But even by now, the design and drawing of propellers is difficult for there is not a widespread applicable method.
本文应用准定常升力线理论预报船用螺旋桨的性能，建立了适合中型计算机的程序。
In this paper, a method based on quasi-steady lifting line theory for the prediction of performance characteristics of a propeller working in a non-uniform wake field is presented.
船用螺旋桨是一类典型的自由曲面零件，它的设计和制造精度直接决定了其推进效率。
Marine propeller is a type of free form surface part. Its design and manufacture precision decide ship's thrust efficiency directly.
应用在：船用螺旋桨，涡轮机部分，承载，阀门，筛子，泵，管道系统，仪器工程以及货柜。
Applications: ship propellers, parts for turbines, bearing, valves, sifter, pumps, pipe systems, apparatus engineering, containers.
本论文以计算机为手段，提供了一种对于有限叶船用螺旋桨的图谱设计的计算机辅助设计方法。
This thesis provides a method of the computer-aided design of ship propellers with finite number of blades by using the collection of illustrative plates.
本实用新型就是提供一种可有效延迟空泡的分离，并可延长螺旋桨桨叶使用寿命的截面拱度比非线性分布式船用螺旋桨。
The utility model provides a cross section camber ratio nonlinear distributed Marine propeller which can effectively delay the separation of the cavity bubble, and prolong the service life thereof.
同时，用参数化程序实现了船用螺旋桨的自动绘制。在论文的最后完成了船用螺旋桨计算机立体模型的建立和动画效果的处理。
At the same time the thesis brings the automatic drawing of propellers to success and builds the three-dimension model of propellers.
船舶推进器已经被研究了很长时间，船用螺旋桨是船舶最重要的推进器。但是，直到现在，船用螺旋桨的设计和绘制仍然是很困难的。
The design and drawing of ship screws is being studied for long time and the propeller is the most important ship impeller.
气垫船动力系统增加了为气垫供气用的垫升风机，同时采用空气螺旋桨推进，整个动力系统设计复杂。
With lift fans for air supply and aerial propellers in propulsion simultaneity, the whole power system of Air-Cushion Vehicle becomes more complicated.
气垫船动力系统增加了为气垫供气用的垫升风机，同时采用空气螺旋桨推进，整个动力系统设计复杂。
With lift fans for air supply and aerial propellers in propulsion simultaneity, the whole power system of Air-Cushion Vehicle becomes more complicated.
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