The printing ink is made by uniformly mixing (by mass ratio) 5 portions of heat-sensitive color-changing powder and 8-10 portions of resin oil. Its plastic facing film is a resin thin film.
印刷油墨由质量比为5份的热敏变色粉和8 ~ 10份的树脂油均匀混合制成、塑料面膜是树脂薄膜。
The oil and the resin will not mix, so the result is droplets of resin floating in the oil.
油和树脂不会混合，所以出现树脂滴浮在油中的效果。
It also has resin trees that can be tapped, among other things, for oil used for lighting.
树脂可以割胶，提炼的油可供照明。
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