调制添加剂时需投入添加剂量50kg、乙二醇500L,则添加剂的重量百分比浓度是()。(已知EG比重为1.1)
A、8.0%
B、8.3%
C、8.5%
D、8.8%
参考答案:B
The dish, which is delicious is made with ingredients in most supermarkets. [ ]
A. accessible
B. acceptable
C. comfortable
D. available
运输费用成本最高的是海运。