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1·In the shipbuilding practice, Marine propeller is one of the key installations.

船舶工业中，螺旋桨是船舶的关键装置之一。

2·The structure of the crystallizer propeller is the same as that of Marine propeller.

结晶器搅拌桨采用船用螺旋桨结构，桨叶为复杂曲面。

3·The enterprise can manufacture all kinds of copper-alloy marine propeller with diameter up to 9m.

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。

4·The effects of grinding parameters on surface roughness of Marine propeller blade were studied by using orthogonal test.

通过正交试验研究了磨削参数对船用螺旋桨叶片表面粗糙度的影响。

5·The information form the experimental studies could be helpful for the research of the complex flow around Marine propeller.

试验所获得的定量信息为螺旋桨尾流场复杂流动现象的揭示提供了帮助。

6·Marine propeller is a type of free form surface part. Its design and manufacture precision decide ship's thrust efficiency directly.

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。

7·A Marine propeller propulsion system was first analyzed to describe the objective, clew, and procedure for hull-propeller-engine matching.

以螺旋桨推进为例，介绍“船-桨-机”匹配的目的、思路、步骤和方法。

8·The optimum distribution of circulation on a marine propeller blade is numerically determined by using the lift_line vortex model and variational calculus.

利用螺旋的升力线模型和变分法原理对螺旋桨叶片环量分布进行了数值优化。

9·Peculiarities and mechanism of propeller singing are described based on results of acoustic measurements and vibration excitation tests of a Marine propeller.

本文根据某船螺旋桨的噪声测量和激振试验结果，描述了螺旋桨鸣音的特点和产生鸣音的机理。

10·Starting from analyzing the structural properties of the Marine propeller shaft bracket, the authors introduce the technology calculation, design, process and their production experience.

从分析船舶尾轴架结构特点入手，介绍尾轴架工艺计算、工艺编制、产品生产过程及经验。