Yiziphi izici zokusebenza ze-Q690D high-strength steel plate?I-Q690D high-strength steel plate iyipuleti lensimbi eliqinile eligoqelwe ngamakhaza izingxenye zalo eziyinhloko okuyikhabhoni, i-silicon, i-manganese, i-phosphorus, isulfure, i-chromium, i-nickel, i-molybdenum nezinye izakhi.Uma kuqhathaniswa nokujwayelekile...
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