拧紧防松螺母后,再一次检查间隙,视需要重新调节间隙.Recheck clearance again after tightening locknut . Readjust clearance as necessary.防松螺母拧紧后,再对所有气门的间隙重新检查一次.Recheck clearance on all valves again after locknut is tightened.将气门调节螺丝防松螺母拧紧至27牛顿·米 (...
他们就解决人类所面临的最大难题，即人类基因组之谜的进展情况交换了意见。They were comparing notes on each other's progress towards solving that most taxing of all puzzles: the riddle of the human genome.赛莱拉基因组学公司是对此项研究做出贡献的私人公司.Genome - based Celera Ge...
They are his school chums.他们是他很要好的几个同学.You hang around with your old Chicago school chums.你现在同芝加哥的一些老同学一起消磨时日.They're chatting like old school chums.他们象老同学一样在谈话....