如果你要投诉，最好遵循正确的程序。
If you want to complain, you'd better follow the correct procedure.
如果你要投诉，最好遵循正确的程序。
If you want to make a complaint, you'd better follow the correct procedure.
工厂是否建立了顾客投诉体系及产品召回程序。
Factory has documented customer complaint system and documented recall program.
工厂是否建立了顾客投诉体系及产品召回程序。
Factory has documented customer complaint system and documented recall program.
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