n a disease of the liver (especially in sheep and cattle) caused by liver flukes and their by-products
by-products recoveries
[经] 副产品抵偿数, 扣除副产品, 副产品回收成本
by-products sales
[经] 副产品销售
coal by-products
[建] 煤副产品
coke by-products
[建] 炼焦副产品
