wide flange beam
等强度梁
beam of constant strength【建】
暂无补充释义。
相关词条
laser beam welding
X-ray beam collimator
stacked-beam radar【雷达】
beam current
beam sourse
over beam
hammer beam【建】
beam of constant strength【建】
暂无补充释义。
wide flange beam
laser beam welding
X-ray beam collimator
stacked-beam radar【雷达】
beam current
beam sourse
over beam
hammer beam【建】