When a rocket is launched, ______ of long streams of flame and smoke can be seen.(近义分月)
An inflatable liferaft can be launched by().
If a davit-launched liferaft aboard a ship cannot be launched because of damage to the davit,you should().
When a davit-launched raft is lowered from a ship,upon becoming waterborne,the raft is released by().
What is the purpose of the crusade launched by Nick Clegg recently?
An inflatable liferaft is hand-launched by().
After a liferaft is launched,the operating cord().
After being launched from a vessel, totally enclosed survival craft which have been afloat over a long period require().
China launched its second()space flight in October 2005.
Prior to entering a davit-launched life raft, you should make sure that().