Biodiesel is easy to crystallize under low-temperature because of high solidification point (SP) and high cold filter plugging point (CFPP).
然而生物柴油凝点和冷滤点很高，低温情况下容易结晶析出，堵塞发动机的管道和过滤器而无法正常使用。
The crude oils exploited in our country's oilfields are mainly waxy crude oil, which have high solidification point and abnormal point and shows most complex rheology.
我国大多数油田开采的原油为石蜡基原油，其凝点和反常点温度较高，流变性质异常复杂。
The deep well artificial lift technology with high solidification point, high wax content and bad fluid supply capacity continues to be a problem for development technology in oilfield.
凝固点高、含蜡量高、供液能力差的深井举升一直是油田开发工艺的一个难题。
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