structural steel derrick detail的意思|示意

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结构钢井架细节

structural steel derrick detail的网络常见释义

结构钢钻塔 English translation for "合金结构钢" ... 高强度结构钢: high strength structural steel; high-t... detail>> 结构钢钻塔: structural steel derrick detail>> 焊接结构钢: welded structural steel detail>> ...

structural steel derrick detail相关短语

1、 steel structural derrick detail 钢结构钻塔