With the bottom of the projection of a white transparent container filled with water, then drip in the water the color ink or oil-based paint.
用一个装满水的白色透明容器的投影的底部，然后在水面点滴彩墨或油基的颜料。
2
Taking soybean oil as raw material, the vehicle of soy ink (polymerized soybean oil) was synthesized by heat polymerization under vacuum technics.
以大豆油为原料，通过真空负压工艺下的热聚合反应合成大豆油墨连接料——大豆聚合油。
3
The soybean oilink, with renewable soybean oil as raw material, could reduce the consumption of global petroleum resources and has bright environmental advantages.