风险等级和过滤法是比较风险和风险分级的工具。
Risk ranking and filtering is a tool for comparing and ranking risks.
木材分开后,分级工再次标记等级。
Again, after the lumber has been separated, the grader assigns a grade.
通用油料装备的质量分级是依据油料装备的不同技术状况划分质量等级,以便于装备的使用、维护、退役和报废。
Quality grade for common POL equipment is to determine their grade on the basis of the technical status for the use, maintenance, retirement and scrap of common POL equipment.
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