中国石油大学 / 中石油
正确率：100%
21. . In addition, a complete refining installation must include the following:
A、all necessary non-processing facilities
B、adequate tankage for storing crude oil, intermediate, and finished products
C、distribution lines
D、transportation facilities
E、gathering lines
A、all necessary non-processing facilities
B、adequate tankage for storing crude oil, intermediate, and finished products
C、distribution lines
D、transportation facilities
E、gathering lines
参考答案：