This paper presents the principle of keylesspropeller fitting, and provideds in detail the technique of keylesspropeller fitting operation.
文章详细介绍了无键螺旋桨安装的基本原理，全面分析了无键螺旋桨安装工艺的具体操作方式。
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The propeller is to be force fitted to the propeller shaft by using the hydraulic jack which the Builder possess and secured by wet type keyless fitting method.