球墨的英文：
nodular graphite
nodular是什麼意思：
a. 小節的',小瘤的,小結節的
檢查時肝臟的結節可能有啟示性。 The presence of a nodular liver at the time of examination may be revealing
檢查時肝臟的結節可能有啟示性。Nodular anhydrite and enterolithic and chicken-wire structures themselves do not signify the Sabkha environment
