unbalanced section roll bar不对称: asymmetric; unsymmetric; dis ...断面: section; fracture surface; p ...轧材: mill bar; rolled metal不对称断面: non symmetrical section; nonsymmetrical section; unbalanced section双对称断面: doubly symmetrical section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:不对称断面轧材，即可在微信中查询翻译
