High firing pressures and a low exhaust temperature in a diesel engine may result from ().
A. decreased piston to cylinder head clearance
B. increased exhaust system back pressure
C. early fuel injection timing
D. low scavenge air temperature
CASE OF DEATH OR SERIOUS INJURY TO A PERSON IN AN ACCIDENT OR SHIPPING DISASTER is().
A. Salvage
B. Operations of the salvage
Casualty
D. Injury
提升企业CRM能力需要变革传统组织结构,减少中间管理层,直至完全取消之。
A. 正确
B. 错误