您公司采用的哪种清洁程序，原位清洁、原位预洗还是手工清洁？
What kind of the cleaning procedure is available in your company, CIP (cleaning in Place) or WIP (Washing in Place) or manual cleaning?
专业的洗车应该在洗车前增加一道预洗的程序，使用专业的预洗液喷洒在漆面上，并等待一两分钟；
Professional car wash before washing should increase a pre-washing program, using professional the spray the lacquer face lotion, and wait for a minute or two;
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