Which of the following is incomplete fracture? ()
A: Fissured
fracture
B: Transverse fracture
C: Oblique fracture
D: Spiral
fracture
A: Fissured
fracture
B: Transverse fracture
C: Oblique fracture
D: Spiral
fracture
A
举一反三
- Which one is incomplete fracture? A: linear fracture B: comminuted fracture C: spiral fracture D: Oblique fracture
- Bedding joints are must be<br/>___ A: strike fracture B: dip fracture C: oblique fracture D: possible anyone
- Which are corrrect for choosing proppant A: for low permeability formations,the fracture mainly is requires to increases the length B: for low permeability formations,the fracture mainly is requires to increases fracture conductivity C: for medium or high permeability formations,the fracture mainly is requires to increases the length. D: for medium or high permeability formations,the fracture mainly is requires to increases fracture conductivity.
- Which of the following statements is true about the PKN model and the KGD model? A: PKN model is suitable for the fracture with a long fracture length greater than the fracture height. B: KGD model is suitable for the fracture whose height is far greater than its length. C: The plane assumption of PKN model is the direction of fracture width and height. D: The plane of KGD model is assumed to be joint width and seam length direction.
- “Brittle fracture”和“Ductile Fracture ”的含义分别是
内容
- 0
Garden’s classification is used in ( ) A: epiphyseal separation B: fracture of intertrochanter of femur C: intrinsic muscle weakness D: fracture<br/>of neck of femur
- 1
fracture ( )
- 2
釉质折断是（） A: enamel infraction B: crown fracture with pulp exposure C: enamel fracture D: lateral luxation
- 3
釉质折断是（） A: enamel infraction B: crown fracture with pulp exposure C: enamel fracture D: lateral luxation
- 4
Garden’s classification is used in () A: epiphyseal separation B: fracture of intertrochanter of femur C: intrinsic muscle weakness D: fracture of neck of femur