【名词&注释】
急性胆囊炎(acute cholecystitis)、工作人员(staff)、大面积(large area)、胆囊炎胆石症(cholecystitis and cholelithiasis)
[单选题]A sudden power loss from a turbocharged and after-cooled diesel engine is an indication of a/an
A. turbocharger malfunction or failure
B. crankcase exhauster overload
C. overload on the intercooler
D. obstruction in the engine cylinders
