球墨的英文：
nodular graphite
nodular是什么意思：
a. 小节的',小瘤的,小结节的
检查时肝脏的结节可能有启示性。 The presence of a nodular liver at the time of examination may be revealing
检查时肝脏的结节可能有启示性。Nodular anhydrite and enterolithic and chicken-wire structures themselves do not signify the Sabkha environment
