19.流通用標準淺板平面尺寸？
(A)常溫用1,100mm*1,100mm，冷藏用1,000mm*1,200mm
(B)常溫用1,200mm*1,100mm，冷藏用1,000mm*1,200mm
(C)常溫用1,100mm*1,100mm，冷藏用1,000mm*1,100mm
(D)常溫用1,100mm*1,200mm，冷藏用1,000mm*1,200mm

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