The preparation technology of activate carbon with coleseed - straw was studied.

研究了以油菜秆为原料制备活性类的工。

Farmers there used to eat off the coleseed with sheep so as to make them fit for the butcher.

那里的民过去羊吃掉田里的油菜，这样好把它们养壮了送进屠宰场。