释义 |
f.r. 基本例句 abbr.=folio recto【拉】印刷页的正面¹⁰⁰ Little costly F.R. P. material is used— it serves largely as a shell for the concrete, which is cheaper. 昂贵的 F.R.P.材料被少量采用——用作较为便宜的混凝土的外壳。 yeeyan The basic beam consists of a rectangular F.R. P. tube with an arch-shaped conduit formed inside it. 这种基础梁由矩形 F.R.P.管构成,矩形框架内是拱形管道。 yeeyan |