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Pengajaran dasar pengelasan busur argon, dan kemudian ada ruang kerja. Pelatihan tukang las. Gagang pengelasan busur argon. Bagikan keterampilan tukang las setiap hari
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Perhatikan keterampilan pengelasan berbagi harian saya, pengelasan busur argon menggunakan sakelar frekuensi tinggi, pengelasan spot lebih mudah # welding
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Ketika Anda menghadapi pengelasan benda kerja sudut kecil, bagaimana mencapai pengelasan yang sempurna, periode pengajaran pengelasan busur Argon adalah 30!
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Berbagi pengalaman pengelasan. Pembelajaran teknologi pengelasan. Pengelasan busur argon 159 tabung geng putih 8 video definisi tinggi ketebalan dinding
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Pengelasan busur TIG untuk pertama kalinya Mintalah petunjuk dari sang master. Argon busur Wuzhen 45. Fine spot grinding pengelasan besi tipis. Jadi mudah dipelajari jika Anda tahu cara mengelas pegangan.
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