sledge type roll changer滑座: slide; slide carriage; slide ...工: worker; workman; the working ...换: exchange; barter; trade辊: roller小车: wheelbarrow; handbarrow; han ...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:滑座工换辊小车,即可在微信中查询翻译