某井日配注100m
A: 10m/(MPa·d)
B: 7.5m/(MPa·d)
C: 2.5m/(MPa·d)
D: 5m/(MPa·d)
A: 10m/(MPa·d)
B: 7.5m/(MPa·d)
C: 2.5m/(MPa·d)
D: 5m/(MPa·d)
举一反三
- The average stress σm and stress amplitude σa of the alternating stress in the figure are respectively ( ).[img=239x154]17de8405f43ce66.jpg[/img] A: σm = 40MPa,σa = -120 MPa B: σm = -40MPa,σa = -40 MPa C: σm = 0MPa,σa = 120 MPa D: σm = -40MPa,σa = 80 MPa
- 井筒储集常数的单位是()。 A: m/Pa B: m/MPa C: MPa/m D: m.Pa
- 原油压缩系数单位是()。 A: kg/m B: MPa C: MPa~1 D: MPa•s
- 石油压缩系数的单位是() A: (A)kg/m³ B: (B)Mpa C: (C)MPa﹣¹ D: (D)mPa•s
- 原油压缩系数单位是()。 A: kg/m<sup>3</sup> B: MPa C: MPa~1 D: MPa•s