steel engraving钢: sharpen; strop; whet凹板: notch board; recess plate; c ...钢凹板 钢雕: steelengraving凹板: notch board; recess plate;concave钢凹版术: steel plate engraving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:钢凹板，即可在微信中查询翻译
