防伪花纹板材
defending fake flower pattern sheet
花纹板浪形
wave shape of checked plate
铝花纹板
aluminium checkered plate
热轧花纹板
Hot-Rolled Plate with Streaking
提花纹板串连机
lacing machine for jacquard cards
花纹钢板
checkered steel plate
checkered plate
mild steel checkered plate
Corrugated steel plates with lath and lentilform