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。

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Knowing it's there is comforting, especially as you and the people you love most are winging over the Rockies on a single engine and propeller.

FORBES: Magazine Article

Unlike the blades on old-fashioned propeller engines, these blades spin around at the back of the engine.

ECONOMIST: Monitor