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Bahasa Melayu Translations » 历史存档[信息] » Perbezaan antara dua standard kimpalan

Perbezaan antara dua standard kimpalan

2016-12-06View Original

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Saya ingin tahu perbezaan antara dua standard kimpalan, iaitu HG/T20583 dan JB/T4709. Hari ini, semasa merancang tangki penyimpanan pada tekanan normal, saya berhadapan dengan dua standard ini. Saya memerlukan penjelasan mengenai perbezaan antara kedua standard tersebut
Reply #22016-12-07
JB/T4709 telah digantikan dengan NB/T47015. . Perbezaannya ialah fokus standardnya yang berbeza. HG/T20583 berkaitan dengan reka bentuk struktur bekas kimia, manakala NB/T47015 pula berkaitan dengan prosedur kimpalan untuk bekas bertekanan
Reply #32016-12-07
Satu ialah reka bentuk, satu lagi ialah proses pembuatan

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Translated at 2026-07-28 01:10:40

Original: https://bbs.hcbbs.com/thread-1649272-1-1.html

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