The processing scheme, material balance and product qualities of the primary and secondary processing units for completely refining the Saudi Arabian sour crude are introduced.
介绍了单炼沙特阿拉伯轻质含硫原油时相应的一、 二次加工装置的生产方案，物料平衡、 产品质量及存在的问题。
The secondary light distribution lens' material is made of crystal glass. After special fabrication processing, it has much better function on transmission of light and anti-ultraviolet rays.
二次配光透镜材质为水晶玻璃，经特殊工艺处理，具有更佳的透光性能和抗紫外线功能。
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