【判断题】自由锻与模锻相比其锻件精度及表面质量都低。( )
【简答题】《湘夫人》选自屈原的《九歌》,《九歌》共()章。
【单选题】A decrease in the energy consumed during the machining operation. That energy is mostly converted _____ heat
【单选题】Coal mining industry in Britain provides of the energy consumed in the country.
【判断题】According to the speaker, the energy consumed by the brain is similar to that of a laptop.