But also, modern science was producing a different kind of color.
同时，当时的科技丰富了颜料的种类。
Suitable for machine operation, special special color without match colors, science, convenient and practical.
适合机器操作，专色专用无需配色，科学、方便、实用。
Suitable for machine operation, special special color without match colors, science, convenient and practical.
适合机器操作，专色专用无需配色，科学、方便、实用。
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