单词	dropleaf table
释义	dropleaf table 活板桌
随便看	reactor transient reactor transient behaviour reactor trip reactor trip signal reactor trip system reactor tube reactor tunnel reactor type reactor type selection reactor-type steam power plant reactor-type tap-change mechanism reactor, underground reactorup reactor up reactor-up reactor upper/lower internals storage stand reactor utilization reactor vessel reactor vessel appurtenance reactor vessel blowdown reactor vessel bolting flange reactor vessel design reactor vessel flang reactor vessel head reactor vessel head center disc