fetch lengthfilamentsfield aligned currentsfetchgenerating distance风: wind度: surmise; estimate成形区长度: forming length定径区长度: bearing length of die风浪区长度: fetch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:风区长度,即可在微信中查询翻译