... 供给压力值 supply pressure level 固着力值 pull-out value 进气吸力值 value of air-entry suction ...
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Now you need to be able to pull the textual value out for an element.
现在您需要能够从元素中取得文本值。
If I can figure out a way to force the child class (PartDb) to tell the parent class the value of this SQL string, I can pull this method up as well.
如果能够迫使子类(PartDb)把这个sql字符串的值告诉父类，就可以把这个方法提升到父类中。
Note also that a Row is ordered, so that you can pull out name/value pairs by index.
还要注意的是 Row 是排序的，这样您就可以通过索引来取出名称／值的对。
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