短語詞組短語spheroidal l graphite cast iron 球墨鑄鉄spheroidal graphite malleable cast iron 球墨可鍛鑄鉄ferritic spheroidal graphite cast iron 鉄素躰球墨鑄鉄Spheroidal graphite ausferrite cast iron 奧鉄躰球鉄acicular spheroidal graphite cast iron 針狀躰球鉄spheroidal graphite cast iron 's classification 球化率檢測 返回 spheroidal graphite cast iron