常見(jiàn)例句用作形容詞 (adj.)A great effort is made to keep porosity, segregation, impurities, and nonmetallic inclusions to as low a level as possible.爲(wèi)了保証氣孔，偏析，襍事及非金屬的含量在盡量低的水平，做了大量的努力。 返回 nonmetallic