roll piercing mill穿: pierce through; penetrate轧机: rolling mill辊式穿轧机: mannesmann piercer斜辊式穿轧机: rotary piercing mill穿轧: pierced billet; piercing; rolling on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:穿轧机,即可在微信中查询翻译