sand hole

• 砂眼,砂孔

sand hole的用法和样例：

例句

1. 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。