25 face width (white and yellow)(25面宽（白黄）) 25 face width (white gray)(25面宽（白灰）) 25 face width (pure white)(25面宽（纯白）) 30 face width (white and yellow)(30面宽（白黄）) 30 face width (white gray)(30面宽（白灰）) 35 face width (white and yellow)(35面宽（白黄）) 35 face width (white gray)(35面宽（白灰）) 35 face width (pure white)(35面宽（纯白）) 45 face width (white and yellow)(45面宽（白黄）) 45 face width (white gray)(45面宽（白灰）) 45 face width (pure white)(45面宽（纯白）) 50 face width (white and yellow)(50面宽（白黄）) 50 face width (white gray)(50面宽（白灰）) 50 face width (pure white)(50面宽（纯白）) 55 face width (white and yellow)(55面宽（白黄）) 55 face width (white gray)(55面宽（白灰）) 55 face width (pure white)(55面宽（纯白）)

2 layers(2层) 3 layers(3层) 4 layers(4层) 5 layers(5层) 6 layers(6层)