进一步增加添加剂的用量，截面结构从指状转变为海绵状。
With the further increase of alcohol, the structures of cross section gradually changed from finger-like to sponge-like.
通过掺加添加剂，有效地改善了轻质墙体材料通常存在的收缩率大的缺点。
It has been improved the disadvantage of large shrinkage-rate in light-weight wall materials by adding additive.
具体加入量是与基础油的品种结构、加工深度、是否已加添加剂等多种因素有关，需要在实践中总结经验。
Dosage is based on the specific oil product structure, processing depth, whether the additive and other factors, need to practice lessons learned.
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