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two-blade propeller /ˈtuːblˈeɪd pɹəpˈɛlə/ n

中文：双叶螺旋桨

中文 · 双叶螺旋桨Español · hélice de dos aspasFrançais · hélice bipale
Meaning：Propulsion device with two blades that are arranged around an axle and driven by a motor.
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Light aircraft

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