常見例句雙語(yǔ)例句Morphology and forming mechanism of annealing twin in medium carbon steels have been studied with optical microscope.利用光學(xué)顯微鏡對(duì)中碳鋼退火孿晶的形態(tài)及形成機(jī)制進(jìn)行了研究。 返回 annealing twin