The isbl of this hp hydrocracker unit will start at the unit filter feed vessel and conclude at product rundowns from the fractionation and the naphtha minus section.

该高压加氢裂化装置的界区从装置过滤器进料罐开始，直到从分馏与脱石脑油段来的产品出料罐为止。

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In a scenario with multiple persistence units, the selection can be constrained by persistence unit name using an LDAP style filter.

在一个拥有多个持久性单元的场景中，可使用一个ldap样式过滤器根据持久性单元限制选择。

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In fact, each unit volume of fuel combustion, about 1 million to unit volume of air through the filter.

事实上，每单位体积的燃油燃烧时，约需要有1万单位体积的空气通过滤清器。

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Peter Thorne, PhD, professor of toxicology at the University of Iowa College of Public Health, recommends vacuuming floors at least once a week with a unit that has a highly efficient filter.

CNN: Give spring a healthier shine