First is matching the propeller to the engine.

首先是匹配的螺旋桨发动机。

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Power and energy : power, engine, motor, battery, propeller, reducer, electronic fuel control, etc. ;

动力、能源类 ：电源、发动机、电机、电池、螺旋桨、减速箱、电子燃油控制等；

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Check the engine and propeller bolts.

查引擎和螺旋？螺。

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Check the engine and propeller bolts.

查引擎和螺旋？螺。

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