农民也开始担心他们用水供应的安全与质量。
Farmers were also starting to fear for the security and quality of their water supplies.
每每人们在安全与质量上作出妥协，就会有人受到伤害。
SQF计划是食品工业专门的综合性安全与质量控制体系。
The SQF Program is a fully integrated food safety and quality management protocol designed specifically for the food sector.
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