________is damage to rails caused by stress from heavy loads.
A: Rolling contact fatigue
B: Maintenance
A: Rolling contact fatigue
B: Maintenance
举一反三
- 中国大学MOOC: Damage _________ the goods was caused by heavy rain _________ transit.
- Damage _________ the goods was caused by heavy rain _________ transit. A: to, in B: of, in C: on, during D: for, at
- We are sorry to find that the damage（）the goods was caused by heavy rain during transportation.
- Damage（）the goods was caused by heavy rain during transit. A: Aof B: Bfor C: Con D: Dto
- A heavy flood happened in USA last summer. The losses caused by the flood were beyond _____.( ) A: raise B: compute C: contact D: reach