深水望远镜;
Including two root, its surface as water roller transfer with hydroscopicity better water roll chemiluminscent.
一般均为两根, 它的表面同传水辊一样包有吸水性比较好的水辊绒.
For card printing and membership card manufacturing of printer materials desirable hydroscopicity, synthetic paper as well.
供制卡和会员卡制作用的承印材料最好是有吸水性的纸 、 合成纸也适用.
At the same time both hydroscopicity there are bigger differences between fiber fast-absorbing water absorption, coatings.
同时两者的吸水性也存在比较大的差别,纤维吸水快, 涂料吸水慢.
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