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Pengelasan busur argon. Pelatihan pengelasan tukang las Lu Ge akan berbagi keterampilan pengelasan di ruang siaran langsung pukul 7.00 malam ini
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Ah Jie pelatihan tukang las tekanan tinggi. Goyangan pengelasan busur argon. Berbagi pengalaman pengelasan
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Kelas ekspres pengelasan pipa bertekanan tinggi Daqing Yuhong merekrut siswa dari Universitas Guangzhou. Anda dapat memesan [merayakan] [merayakan] saat ini. Sekarang mereka yang mendaftar untuk pembayaran yang sukses memiliki diskon, diskon, dan diskon. Pelatihan utama, pengelasan busur manual, pengelasan busur Argon, baja karbon Argon listrik, baja putih Argon listrik, tabung besar dan kecil semua Argon. Alamat, Kota Bajingzi, Distrik Datong, Datian. Nomor registrasinya adalah 13614646765. Tu...
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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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