Chamber compatibility and injector durability involve the control of the combustion environment.室相容性和喷注器耐久性包括对燃烧环境的控制.Some stratification exists in the spray produced by any liquid propellant injector.由任何液体推进剂喷注器所产生的喷雾都存...
有很多仆人服侍她。There were plenty of servants to wait on her.虽然他上了年纪, 但他不要别人服侍他.Old as he was, he refused to be waited on.护士服侍病人.A nurse ministers to the sick....
We can certainly do without John poking his nose in every five minutes.我们当然不需要约翰每隔五分钟就来干扰我们一下.He spent his weekends poking around dusty old bookshops.他周末都泡在布满尘埃的旧书店里....hills with the hard underlying rock poking through ...
IRM group systems provide the best reliability and performance for steel , aluminium non - ferrous metal producers worldwide.IRM集团的测量仪系统为世界钢铁业和铝业提供高性能可靠的测量结果.In this paper, a novel model to assessing enterprises'imp...