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Hudu da shida suna dumama Mantle don dakin gwaje-gwaje
Bayanin samfurin hudu da shida layuka da yawa layuka dumama Mantle don dakin gwaje-gwaje na makaranta, masana'antu, aikin gona, petrochemicals injiniyan. Halaye: 1 2. Tsarin yanayin zazzabi na lantarki, saurin sauri daidaitacce, zazzabi uniform, dumama cikin sauri da aminci. 3.E ...
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