中国石油大学 / 中石油
正确率:100%
16. The most commonly used types of casing include:
A、Conductor Casing
B、Surface Casing
C、Intermediate Casing
D、Production Casing
E、BOP Casing
A、Conductor Casing
B、Surface Casing
C、Intermediate Casing
D、Production Casing
E、BOP Casing
参考答案:
佳题速递: