压书脊机
- 与 压书脊机 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Therefore, on the tyingor pressure tightness, after the book block glued on, such as PVA flameretardant synthetic resin glue, as a result of back-and-glue absorption will be formed when a certain amount of expansion and make the following is issued on virtual spine of incrassation, it should first be used book compactor, later when he was on the cover of dvysocket students'computer package, so that the spine is firm and materials deformation-induced backs wrinkles.
所以，对捆压紧实后的书芯，上背胶（如PVA聚乙烯醇合成树脂胶）后，由于书背吸胶水后会产生一定量的膨胀而使书脊增厚发虚，故应先用压书机压实，尔后上机包糊封面，这样书脊就比较紧实，防止受压变形引起的书背皱纹。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗，我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。