oil-bearing materials 油料
pretreatment of oil bearing materials [油脂] 油料预处理
extrusion of oil bearing materials 油料膨化
cooking equipment for oil-bearing materials 油料蒸炒设备
The seal must provide superior oil inclusion functions as well as being able to exclude foreign materials from the bearing chamber, even during wash-down.
全句的意思应该为：该密封必须有较优的油封功能，即使是在冲洗时，也要能够防止异物通过倒角侵入。
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