In the event of the cylinder starting valve leakage () would pass into the air pipes and ignite the oil deposited.
时间:2019-12-09 22:39:48 关键词:starting,cylinder,leakageIn the event of the cylinder starting valve leakage () would pass into the air pipes and ignite the oil deposited.
A.cooling water
B.vapor from the boiler
C.starting air
D.hot gase
答案解析
D
举一反三