单选题By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）AtachometerBpyrometerCdynamometerDcalorimeter
单选题
By comparing the exhaust gas temperature of each cylinder, the operator can determine if the load is balanced throughout the engine. The device most commonly used is a（）
A
tachometer
B
pyrometer
C
dynamometer
D
calorimeter
参考解析
解析：
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