base－line of section断面: section; fracture surface; p ...基线: base line; ground line; base箱形断面基础: box section foundation准线基准线基准面基线: datum line基线: [电子学] base line (bl); ground line; base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:断面基线，即可在微信中查询翻译
