变应原原料
Raw materials of allergens
非常规蛋白饲料原料
protein raw material from the nonconventional plant
非常规饲料原料
non-traditional feed ingredient
unconventional feed
unconventional feed resources
乳清饮料原料
material for whey beverage
塑料原料市场
plastics raw material market
巴尔的摩粮谷泊位租船合同
baltime berth grain charter party
东北平原粮食主产区
main grain production region in northeast China plain