... grade products according to quality 按质量分等; 产品按质分等 guarantee the quality of products 把好质量关 high quality products 优质产品 ...
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To guarantee the quality of products.
为保证产品质量作基础。
The ISO9000 quality management system, for the original enterprise, guarantee the quality of products.
ISO9000质量管理体系，原用于企业，保证产品质量。
In order to guarantee the quality of products, residence time of heat—sensitive materials in evaporators should be cut down as much as possible.
在浓缩热敏性物料时，为了保证产品质量，应尽可能缩短物料的停留时间。
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