high level of zinc oxide

• 高锌

high level of zinc oxide的用法和样例：

例句

1. The purpose of this experiment was to study the effects of different dozes and kinds of high zinc diets on serum hormone levels of weanling stress piglets.
   目的本试验旨在研究不同锌源和不同锌水平的高锌日粮对断奶应激仔猪血清激素水平的影响。