reciprocating filing and sawing machine往复: move back and forth; recipro ...锉: file锯: saw机: machine; engine往复式锯、锯机: reciprocating sawing and filing machine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:往复锉、锯机,即可在微信中查询翻译