sand hole是什么意思 sand hole怎么读
sand hole的用法和样例
- The acidity is too large in the sand inclusion to printing to speed up the ink emulsive spoiledour Teletext Foundation for ink does not balance the staves of water.
而碱性过大的润版液则便当腐化印版砂眼，增速油墨乳化，爱护图文本原，也会因火墨不不平衡而引起火杠痕。
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