英语语法分析

Properties of modified phenol resin, precoated sand preparation and property test have been narrated.

叙述了改性酚醛树脂的性能、及膜砂制备配方及其性能测定。

In this paper, nano material AY-2 has been utilized to modify the traditional polyester coatings for precoated metals.

采用共混法，通过添加纳米复合材料ay - 2对传统聚酯卷材涂料进行改性。

Dissociated neonatal rat retinal cells as testing cells were cultured on 96 well culture plates precoated with laminin.

新生大鼠视网膜的分离细胞，培养在包被基板蛋白的96孔培养板作为细胞检测系统。