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There is()in any water cooling system for a diesel engine allowing for expansion and water make-up in the system as well as air vent and chemicals addition
A.setting tank
B.a service tank
C.a head tank
D.an expansion joint
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A.setting tank
B.a service tank
C.a head tank
D.an expansion joint
第4题
A.must
B.oughtn't to
C.may
D.can't
第5题
The lubricating pipes and dusts should be blown out with _____.
A.atmosphere
B.the fresh water
C.compressed air
D.chemical compounds
第7题
A.The language laboratory.
B.Travel.
C.Studying in high school.
D.Going to movies and watching TV.
第8题
A.The language laboratory.
B.Travel.
C.Studying in high school.
D.Going to movies and watching TV.
第10题
A.Simon Sudbury
B.William Walworth
C.Wat TyLer
D.Sir Robert Hales
第11题
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