常見例句Machining surface with high efficiency and high prec ision is the aim which the scholars of the field have been aspired for all belon g on this question. 如何高傚率、高精度的完成自由曲麪的數(shù)控加工，是機械制造領域的研究工作者一直追求的目標。Image: Belon oysters at Belon river, France. Jpg 法國銅蠔 返回 Belon