The paper studied the relationship between DBP - linstead of formaldehyde and beer colliid stability during beer production.
在啤酒生产中使用甲醛替代产品DBP-1代替甲醛，研究其对啤酒的非生物稳定性的影响。
Student Linstead points to solar panels on the roof of a pre-packaged shelter, and explains they can be used to re-charge cell phones.
林斯特德指着一个庇护所屋顶上的太阳能板解释说，这些太阳能板可以用来给手机充电。
Student Linstead points to solar panels on the roof of a pre-packaged shelter, and explains they can be used to re-charge cell phones.
林斯特德指着一个庇护所屋顶上的太阳能板解释说，这些太阳能板可以用来给手机充电。
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