有些榨油厂采用抽清法提取油，在豆油中残留有少量的苯等有害物质，所以，包饺子习惯用生豆油拌馅，这是不科学的，在拌饺子馅前，一定要把豆油烧开，使油的温度达到200℃以上，将有害物质挥发掉，待其凉后，开发者_S
With the select_tag() helper, is there a way to avoid passing an id to the generatedelement? If not, what do you do when you have th开发者_StackOverflow社区e same form several times on a page and you
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