The utilization of colour-blending theory can work out all kinds of cocoon silk of colour spectrum.
The utilization of colour-blending theory can work out all kinds of cocoon silk of colour spectrum.
利用色彩调和理论可以生产出更多色相的彩色茧丝。
The utilization of colour-blending theory can work out all kinds of cocoon silk of colour spectrum.
利用色彩调和理论可以生产出更多色相的彩色茧丝。