Middlehamn.米德尔赫姆(在英国；西经 1º49' 北纬 54º17')middleadj.中等的；中间的；中期的n.中间vt.放在中间；把 ... 对折middle school math中学数学Middle-East area中东地区middle rock pillar中间岩柱middle ventilation中央式通风Middleman of Trust中小企业投融资middle line pillar中线支柱middle-deep hole中深孔middle long column中长柱middle-low yield中低产middle rang theory中距理论, 中型理论