Posachedwapa, 《a 7xxx weldable corrosion-resistant aluminium alloy yomwe ili ndi Sc ndi ER ndi njira yake yokonzekera》, yomwe idapangidwa modziyimira payokha ndi Fujian Xiangxin Co., Ltd. kuti ithandizire ntchito yomanga zamlengalenga, idapatsidwa mwayi wopanga dziko ... .
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