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 resources
unconventional feed
焊材选用原则
the principle of selection welding material
绝缘子选用原则
insulator selection tenet
乳清饮料原料
material for whey beverage
塑料原料市场
plastics raw material market
所用原料及化学助剂
used matericals and chemical agents
选用原则与趋势
trend and principle of selection
药用原料林
medicinal material plantation
有机原料选择
organic raw material selection
原料选择
selection of raw material
choice of raw materials
Material selections
Raw material
Resource choices
raw material select
Selection of materials
Raw material selection
material selection