单项选择题
A.15%~20%B.25%~35%C.5%~10%D.10%~15%
A.原料选择B.采收C.预冷和速冻D.原料预冷
A.0.2%~0.4%B.0.1%~0.3%C.0.2%~0.5%D.0.4%~0.6%