“副产物”造句

版权是文艺复兴的副产物.
Copyright was a by - product of the Renaissance.

以工业副产物木素磺酸和焦油酚为主要原料研制出一种新的合成鞣剂.
A new syntan product prepared with tar phenol and lignin sulfonic acid.

还有二恶英, 纸生产和废物燃烧的副产物.
There's also dioxin, a byproduct of paper manufacture and waste incineration.

• #副产物