Trunk type diesel engine pistons are effectively cooled when heat is（）
- Aradiated through the engine block
- Btransferred to water cooled cylinder walls
- Cconducted through the piston crown
- Dtransferred to escaping exhaust gase
问题
Trunk type diesel engine pistons are e
参考解析：
分类：船舶电气与船舶安全题库
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