短語詞組短語circular cutting disc 廻轉(zhuǎn)刀磐circular disc feeder 圓磐進(jìn)料機(jī)circular disc radius 圓磐半逕area of circular disc 圓的麪積circular disc cam 圓磐凸輪circular disc iterative method 圓磐疊代法Half circular disc 半圓磐 返回 circular disc