分解产物通过管道系统，其可以选择性放空或引入产物进入要清洗的设备。
The decomposition products are passed through a piping system which allow the selective venting or introduction of the products into a facility to be cleared.
如果你戴假牙，要每天清洗，以清除假牙上的食物残渣和细菌。
If you have dentures, clean them daily to get rid of food particles and bacteria.
此后他们要接受长达三小时的严格的考试(题目举例：简述给糖浆管道和糖浆存储罐进行清洗和消毒的流程)。
At the end they are given a stiff three-hour exam (sample question: Describe briefly the process followed in cleaning and sterilizing syrup lines and syrup tanks).
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