常見(jiàn)例句雙語(yǔ)例句Five series ductile iron elements of hyper eutectic, hypo eutectic, eutectic have been tested using color metallograph method.利用彩色金相對(duì)過(guò)共晶和亞共晶球鐵磨球五組試樣進(jìn)行了試驗(yàn)對(duì)比。 返回 hypoeutectic