词汇	单梁
释义	单梁 Dān Liángmonospar
随便看	roller straightening roller straightening machine roller-straightening machine roller streak Roller's treatment roller stretch roller stretcher roller stretcher machine roller-stretcher machine roller stretching roller stretching system roller stripper roller stripping roller structure rollers tube roller-style roller styled support roller subsoil roller support roller surface roller surface layer roller surface quality control Roller syndrome roller system roller table