The difference between Fixed pitch pro

The difference between Fixed pitch propeller (FPP) and Controllable pitch propeller (CPP) is in that（）

Afor FP, once fitted, the position of the blades can also be changed in operation
Bfor CP, once fitted, the position of the blades can also be changed in operation
Cthe CP type has a relatively smaller hub compared with the FP propellers
Dthe FP type has a relatively larger hub compared with the CP propeller

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分类：船舶电气与船舶安全题库

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