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Sangat penting untuk mempelajari cara mengelas pipa las dengan tangan. Siswa berbagi pengalaman dan membuat kemajuan bersama. Berbagi pengalaman pengelasan. Pelatihan tukang las. Pertukaran pengalaman pengelasan.
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Pada dasarnya, sebagai seorang pemula, Anda harus belajar bagaimana cara menggunakan mesin las.😃. Teknologi pengelasan. Pertukaran teknologi pengelasan. Berbagi pengalaman pengelasan
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Berbagi pengalaman pengelasan. Pembelajaran teknologi pengelasan. Tips
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Pembelajaran teknologi pengelasan. Berbagi pengalaman pengelasan. Goyangan las busur argon 5G anti-sambungan berbagi penetrasi internal definisi tinggi!
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