Paipu irin alagbara ni ibamu si awọn aaye ohun elo jẹ nipataki paipu erogba irin lasan, paipu irin erogba didara giga, pipe pipe alloy, paipu irin alloy, paipu irin ti nso, paipu irin alagbara ati paipu apapo bimetallic, bo ati paipu ti a bo. Irin alagbara, irin tube o...
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