问题描述：
[单选]
Indirect cooling of fuel injector nozzle holders for diesel engines is accomplished primarily by（）．
A．heat conduction into the injected fuel oil
B．heat conduction into the water jacket wall
C．water circulation through passages in the holder
D．fuel oil circulation through passages in the holder
参考答案：查看无
答案解析：无
☆收藏
答案解析：无
☆收藏
上一篇：The pH value of water in a diesel engine closed cooling water system should be maintained between（）．
下一篇：In a diesel engine cooling water system， a pH of 60 indicates a/an（）．
- 我要回答: 网友(216.73.216.223)
- 热门题目: 1.F（r）直接反映出故障随（） 2.可靠性着重研究的是（）。 3.在早期故障期内，产生故障的主