Welding is one of the important technologies in impellers " artifactitious . "焊接是 叶轮 加工的重要工艺之一.The welding conditions should always be neutral or slightly oxidizing.焊接气氛必须永远保持中性或微氧化.The welding is so smooth that you can ...
The Ministry desperately tried to hush up the whole affair.部里拼命想隐瞒整个事件。This new ministry was being created with zero assets and zero liabilities.这个新部委正在筹建，既无资产也无负债。The Ministry is being obsessively secretive about the is...