single shear steel一: one火: fire钢: sharpen; strop; whet淬火钢: chilled hardened steel; chilled steel; quenched steel二火钢: double shear steel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:一火钢，即可在微信中查询翻译
