介紹了一種用于鑄造車間的型砂水分自動控制系統.A sand moisture automatic control system for foundry is introduced.介紹了一種新型的型砂水分測控系統.A new measure & contml system for moisture content sand was introduced.介紹了用累托石粘土作型砂粘結劑和水基涂料懸浮劑的試驗結果.Describes som...
Concert organisers branded the group's actions as puerile.音樂會的組織者指稱該樂隊的行為愚蠢幼稚。The story is simple, even puerile.故事很簡單，甚至有些幼稚。The belief in it issues from the puerile egos of inferior men.這種信仰是下等人幼稚的自私意識中產生的....
地球外存在生命的理論是基于隕星上存在碳化合物質這一事實的.One theory about the existence of extraterrestrial life rests on the presence of carbon compounds in meteorites.在蛋自質中, 氮原子與碳 、 氫、氧原子相化合.In proteins, atoms of nitrogen are combined with carbon...
'Mum thinks I should stop imposing on your hospitality, Leo,' said Grace.“利奧,我媽媽覺得我不應該再在這兒麻煩你了，”格雷絲說。'There, there,' said Mum. 'You've been having a really bad dream.'“好了，好了，”媽媽說，“你只是做了...
There was an audible sigh of relief in Washington when the foreign ministers decided to postpone the meeting.各國外長決定推遲會議后，華盛頓如釋重負。It is totally out of the question to postpone the midnight deadline.想要推遲午夜的最后期限是完全不可能的。He s...
兩輛汽車在結冰的路面上打滑。Two cars skidded on the icy pavement.幾個行人在結冰的人行道上滑倒了.Several pedestrians had come to grief on the icy pavement.路上結冰,汽車輪子打滑.The car wheels would not bite because of the ice....