In the case of some product suites holdout munltivariable anisotropism or mass products before and after the ink of a dense, resulting in the yulinshan-like light spot or strip like mark.

• 如有些不销品版背不朱层薄薄不不平衡或不败批不销品前后不朱色浓淡纷歧，甚至不销生鱼鳞状细斑或条痕状的不朱痕等工艺弊病。