Abiding by quality as life,technology as backing,in recent years,it has employed a group of highdiathesis & experienced technology talents,and contributes a great deal to development of new products and application of new technology,thus win a support and trust of all circles.
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In a few application the environment falls, may ask letter head also can keep secret in transmission process, this technology that transmits a layer with respect to need serves as backing.
在一些应用环境下，可能会要求信头在传输过程中也能保密，这就需要传输层的技术作为后盾。
Welding methods and technology of narrow gap quirk backing weld were discussed. Indirect quirk backing weld using manual hydrogen arc welding is considered as the best result.
讨论了窄间隙深槽打底焊焊接方法和工艺，认为用手工氩弧焊进行单面深槽打底焊效果最好。
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