词汇	梁腹板开圆孔
释义	梁腹板开圆孔 opening in beam web
随便看	cocurrent laminar flow cocurrent leaching co-current leaching co-current leaching, concurrent leaching cocurrent line cocurrent multistage extraction cocurrent operation cocurrent output co-currentparalleloperation co-current parallel operation cocurrent process cocurrent reaction co-current reformer co-current regeneration cocurrent shallow multistage fluidized bed cocurrent spinning co current spinning cocurrent spray drier cocurrent transportation system cocurrent velocity modulation cabinet cocurrent voltage-stabilized source cocurricula cocurricula activity cocurricular co-curricular