fine finishing短语¹⁴⁴⁹⁷²⁺² 基本例句 精加工 The making of new mould has2 steps, first,2 workers do rough turning, and then other workers do fine finishing. 新模具的加工分成两块，先由两位模具工进行粗车，再由模具工进行精加工。 zjzxmfj.com High frequency pulse current machining and fine finishing can improve parts' machining accuracy and surface quality. 高频脉冲电流加工及光整加工技术能提高零件的加工精度和表面质量。 cnki