Orthogonal test was employed to inspect the influence of pullulan and three other ingredients on the quality of the correction liquid 用正交试验法考察了普鲁兰与其它三种成分对涂改液质量的影响。
2.
The results indicate that the covering and rewriting abilities of the new nontoxic correction liquid can be compared favourably with those available in the market 试验结果表明，这种新型无毒涂改液的遮盖力和再书写性能等指标均可与市售的涂改液相媲美。
