英语翻译
问题描述：
英语翻译
Injection molding machines are manufactured in many sizes.These are rated according to size by the amount of material which can be injected in one cycle,which ranges from a fraction of an ounce in the small laboratory models to many pounds in large production equipment .Laboratory models are used in the research and development of new polymers and molding techniques.怎么翻译?
答
注塑机生产在许多不同大小的产品.这些都是根据额定人数的多少物质,可注入一个周期,其中包括一小部分每盎司在小实验室模式,许多英镑的大型生产设备.实验室模型,用于研究和开发新的聚合物和成型技术