The paper describes a new type of tough and hard wear resistant composite gel coat and GRP mould preparation.
本文论述了一种新型坚韧耐磨复合胶壳的组成及其模具制作工艺。
The present situation of domestic FRP mould preparation were analysed, the preparation methods of FRP mould with high glossiness were mentioned.
本文分析了我国玻璃钢模具制作现状，简单介绍了高光泽度玻璃钢模具的制作。
The control effect was 92.3% to peach mould core disease by spraying preparation of PB97 in the field.
田间小区采用PB97制剂对桃霉心病的防治效果为92 .3 % ，可有效地控制病害的发生。
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