词汇	metal board
释义	metal board 建金属屋面板
随便看	internal authentication Internal authentication error internal authority internal autocrine internal automatic wehting machine Internal Automation Operation internal autonomy internal autoscopy internal auxiliary processor internal axial-flow pump internal axis internal axis of eye internal axis of eyeball internal axis of similitude internal axle internal balance internal balance curve internal balancemather 1953 internal balance schedule internal-balance schedule internal balance system internal ball internal ballast tank internal ballistic internal ballistic calculation