Over the past 10 years, APC has almost been dominating the aerobatic scene. APC is a very efficient propeller design, especially the tips, which make them very quiet and efficient.
过去10年，APC几乎是这行业的狡狡者，其中有很多诀窍让他的产品非常单安静有效率。
Over the past 10 years, APC has almost been dominating the aerobatic scene. APC is a very efficient propeller design, especially the tips, which make them very quiet and efficient.
过去10年，APC几乎是这行业的狡狡者，其中有很多诀窍让他的产品非常单安静有效率。
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