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1·The control systems are installed in three kinds of rotational moulding machines and they work well.

该系统安装在三种不同滚塑工艺的滚塑机上，已经投产且运行情况良好。

2·Basic principles of rotational moulding, process features and mould design criteria are introduced in this article.

本文概述了滚塑成型的基本原理、工艺特点和模具设计要点。

3·Basic principles of rotational moulding, process features and mould design criteria are introduced in this article.

白文概述了滚塑成型的根本原理、工艺特性和楦子设想要端。

4·An aqueous slurry was developed as a sort of raw materials in rotational moulding for the preparation of short glass fiber reinforced polypropylene composites.

改进了以浆液料作为旋转成型的物料，用于制备短玻璃纤维增强聚丙烯复合材料的新工艺。

5·In accordance with the characteristics of rotational moulding technology, the principle of the selection of the raw materials suitable for rotational moulding is proposed.

根据滚塑加工工艺的特点，提出了适合滚塑加工的原材料的选择原则。

6·Bubble effect in aqueous slurry of powder polypropylene (PP) using poly (vinyl alcohol) (PVA) as the stabilizer which is used as a sort of raw materials in rotational moulding has been investigated.

研究了以粉状聚丙烯为原料、以聚乙烯醇(PVA)为稳定剂的旋转成型浆液料中的气泡效应。