Poor quality oil reserves(PQOR)is still an important resource.
低品位石油储量也是我国重要的石油资源。
After cutting, the leaves are sun, or preferably shade dried on bamboo racks for about 3 days since distilling fresh leaves produces poor quality oil.
在收割之后，叶子直接放在太阳底下晒，或者能在荫凉处放在竹架上阴干3天是更好，因为蒸馏新鲜的叶子出产的精油品质差。
If the input air quality is poor, can cause electromagnetic valve, the valve core oil pollution within the open mouth can't completely, the difficult open.
如果输入空气质量差，会造成电磁阀内产生油污，阀芯开启困难，阀口不能完全打开。
Poor quality of the base. oil. Most likelyuse of incorrect viscosity (SAE class)
基础油的品质太差。最有可能粘度（SAE级）使用不正确。
Hogwash oil is refined, inedible waste oil - of poor quality and unsanitary.
地沟油是从废弃物中提炼的劣质而且不卫生的不可食用的油。
There are many problems in olive oil pressing technique after the plant was introduced into China, chief ly shown as poor quality of oil and low oil yield.
橄榄油是世界上名贵的木本植物油，我国引种油橄榄在榨油技术方面还存在诸多问题，集中表现为油质量差，出油效率低。
Through hydrotreating, the poor-quality long residue or short residue from CDU can be up-graded in-to good feedstock for heavy oil FCCU. Therefore, the production of light fuel oil can be maximized.
通过常压重油加氢处理或减压渣油加氢处理工艺将劣质的常压重油或减压渣油加工成适用于重油催化裂化装置的原料油，从而最大限度地获得更多的轻质燃料油。
Through hydrotreating, the poor-quality long residue or short residue from CDU can be up-graded in-to good feedstock for heavy oil FCCU. Therefore, the production of light fuel oil can be maximized.
通过常压重油加氢处理或减压渣油加氢处理工艺将劣质的常压重油或减压渣油加工成适用于重油催化裂化装置的原料油，从而最大限度地获得更多的轻质燃料油。
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