Welding process certification test is an important test complied with EN standard to validate the welding process, ensure the welding quality and meet the requirements of manufacture in large scale.
焊接工艺认证试验是在焊接生产中根据欧洲标准，验证焊接工艺、保证焊接质量，从而满足大规模生产需要的重要试验。
We have cause to celebrate this remarkable achievement that has seen our diamonds from Marange being certified by the Kimberley Process Certification Scheme.
我们有理由来庆祝这个瞩目的成就，我们马兰吉钻矿的钻石得到了金伯利进程认证体系的认可。
We have cause to celebrate this remarkable achievement that has seen our diamonds from Marange being certified by the Kimberley Process Certification Scheme.
我们有理由来庆祝这个瞩目的成就，我们马兰吉钻矿的钻石得到了金伯利进程认证体系的认可。
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