alloy steel合金钢: alloy steel特种: special type; particular kin ...钢: sharpen; strop; whet特种合金钢: special alloy steel特种钢: o special steels; t7-t12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:合金钢，特种钢。，即可在微信中查询翻译
