preliminary working 短语和例子初加工丝锥 first tap初加工材料: vormaterial semi-finished material初加工产品: product of first-stage processing初加工丝锥: first tap预处理;初加工: initial handling用砂轮初加工: coarse grinding下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:初加工,即可在微信中查询翻译