1: Pipe igbomikana (ASTM A335 P5, P9, P11, P22, P91, P92 Ati bẹbẹ lọ) Sipesifikesonu Standard fun Alailẹgbẹ Ferritic Alloy-Steel Pipe fun Iṣẹ-giga-giga 2: Pipe Laini (API 5L Gr.B X42 X52 X52 X52 Ati bẹbẹ lọ) Pipeline Ailokun Ti a lo Fun Gbigbe Didara Giga Epo naa, Nya ati Wat…
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