短語詞組短語head of beam 梁首vessel head lifting beam 壓力容器封頭提升梁head light beam setter 頭燈射束校準(zhǔn)器automatic head light beam changer 大燈遠近光自動開關(guān)HEAD LAMP HIGH BEAM 大燈遠光stationary head beam dinker 固定式裁斷機over head beam 頂梁head lamp upper beam 前燈上光線HEAD LAMP LOW BEAM 大燈近光 返回 head beam