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Can avocado, oil gourd, lettuce seeds, spicy mustard seeds and rapeseed flowers be pressed for oil, and how should they be pressed?
Avocado, oil gourd, lettuce seeds, spicy mustard seeds and rapeseed flowers are all things we can see in daily life, so do you know whether they can be pressed for oil? How are they pressed? It is understood that the first few can all be pressed for oil, but rapeseed flowers cannot be pressed for oil; what can be pressed for oil is the seeds of the rapeseed flower