quality grade 质量等级 ; 肉质等级 ; 铁观音
Walnut quality grade 核桃坚果质量等级
balance quality grade 转子平衡等级
Quality grade control 质量等级控制
Cotton seed quality grade 棉籽质量等级
credit quality grade 信用质素等级
Quality grade of chinese chestnut 板栗质量等级
Beam pumping units quality grade 游梁式抽油机质量分等
From production practice of the mine, it is expounded that the decrease of dilution factor in mining is one of effective methods to improve the ore quality (grade) and economic benefits.
从生产实践出发，阐述了降低采矿贫化率是提高矿石质量(品位)，提高矿山经济效益的有效途径之一。
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.
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。
Objective To avoid the invalid assessment and erroneous judgement of sanitary quality grade in comprehensive assessment on sanitation qualities of public places.
目的为排除公共场所卫生质量综合评价中的评价失效和等级误判现象。
应用推荐