含油饱和度
参考答案：
在油层中，原油所占的孔隙的体积与岩石总孔隙体积之比。
— We _____ that you would fix the TV set this week.
— I'm sorry.I _____ to fix it this week,but I've been too busy.[ ]
A. had expected;had intended
B. are expecting;had intended
C. expect;intend
D. expected;intend
电力工业生产的技术特点？
