They are using the sensitive gum resin flexible format as the forme style.
是用感光树脂软版作为印版式的印刷机。
Why do some trees produce sticky gum or resin?
为什么有些树木会产生树脂或粘性胶状物？
It is the slight yellow or water-white transparent solid, which is made from gum rosin or refined gum rosin through esterification with glycerol; it is a good tackifying resin.
松香甘油酯由松香或精制松香与甘油酯化而成浅黄色或水白色透明固体，是一种优良的增粘树脂。
Liquid rosin resin is made from the gum rosin through esterification with polylol.
液体松香脂由松香与多元醇酯化而成。
The resin - tapped methods have been raised according to the laws of origination, development and distribution of gum ducts.
根据树胶管的发生发育及分布规律，提出相当的采脂方法。
Hot melting road-marking resin is produced with gum rosin and other raw materials by our special formulation and proceeding, which is specially used for road-marking paints.
热熔性道路标线涂料树脂是应用独特的配方和工艺流程，由脂松香及其它原料改性而成的一种专用于道路标线涂料的树脂。
Hot melting road-marking resin is produced with gum rosin and other raw materials by our special formulation and proceeding, which is specially used for road-marking paints.
热熔性道路标线涂料树脂是应用独特的配方和工艺流程，由脂松香及其它原料改性而成的一种专用于道路标线涂料的树脂。
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