延迟减粘裂化
基于1个网页-相关网页
Delayed de-viscosity cracking
以上为机器翻译结果，长、整句建议使用 人工翻译 。
还介绍了我国开发的延迟减粘、上流式缓和减粘裂化等减粘裂化工艺类型。
Several visbreaking techniques in our country, such as delay-visbreaking, up-reaching mild-visbreaking and so on, are also introduced in this paper.
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