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excircle的音標(biāo)：excircle的英式發(fā)音音標(biāo)為：['eks?s?:k?l]excircle的美式發(fā)音音標(biāo)為：['eks?s?k?l]...

A plurality of small shaping orifices are evenly distributed on the excircle surface of the blades.葉片的外圓表面上均勻分布著多個小的型孔....

n.外切圓，旁切圓...