Around the combustion chamber, all the

1、The （） chamber is enclosed between the

The （） chamber is enclosed between the cylinder head and piston.AlubricationBinjectionCcoolingDcombustio

2、Around the combustion chamber, all the

Around the combustion chamber, all the main components are to give low thermal strains and the smallest, circumferentially symmetric deformations for good sealing between piston rings and liner（）Adrill cooledBhole cooledCtube cooledDbore cooled

3、The circulation around a low pressure

The circulation around a low pressure center in the Northern Hemisphere is（）.AcounterclockwiseBvariableCclockwiseDanticyclonic

4、In the combustion chamber, the part wh

In the combustion chamber, the part whose surface is exposed to the highest temperature is the （）.Acylinder linerBcylinder coverCpistonDexhaust valve

5、Peter was（）the lawn around the roses.

Peter was（）the lawn around the roses.AtrimmingBtripping upCripping offDdripping

6、Successful combustion inside the cylin

Successful combustion inside the cylinders of a diesel engine is dependent upon （）.Afine atomizationBhigh temperatureCgood mixing of fuel and airDall of the above