bifid stem叉: part so as to form a fork; f ...型: mould; model艏柱: stem混合型艏柱: combined cast and rolled stem曲线型艏柱: curved stem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:叉型艏柱，即可在微信中查询翻译
