短語詞組短語rotational l casting 回轉(zhuǎn)澆注rotational casting technique 旋轉(zhuǎn)投射技術(shù)centrifugal and rotational casting 離心轉(zhuǎn)動澆鑄rotational casting without mould 無模旋轉(zhuǎn)澆注 返回 rotational casting