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...
We have passed the international quality certification ISO 9001 - 2000 and have attainted permission certificate of export.公司已ISO9001-2000国际质量体系认证,并取得《出口产品质量许可证》.Passed ISO 9001 - 2000 edition quality to manage systemati...