One characteristic of a pulse type turbo-charging system is（）
- Ahigh average exhaust manifold
- Bgreatly fluctuating inlet manifold pressure
- Cconstant exhaust manifold pressure
- Dmultiple exhaust pipes to the turbocharger
问题
One characteristic of a pulse type tur
参考解析：
分类：船舶电气与船舶安全题库
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