成工施工的宝钢大口径的英文

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• 成:    accomplish; succee ...
• 工:    worker; workman; t ...
• 施工:    be in the process ...
• 的:    4次方是 The fourth po ...
• 宝:    treasure; treasure ...
• 钢:    sharpen; strop; wh ...
• 大口径:    heavy calibre