“修井井架”的概念、定义、翻译、参考文献-科学参考

单词	修井井架
释义	修井井架 Encyclopedia 工学修井井架释 workover derrick修井井架用于安放天车、游车等吊升系统设备和工具，并用以起下和存放钻具的钢架结构。
随便看	second mid-arc point second modernity second moment method second moment of area second moment of inertia second Morley adjunct triangle second Morley center second Morley cubic second Morley triangle second Napoleon point Second National Congress of Chinese Nationalist Party Second National Congress of Communist Party of China second-nearest neighbor second Neuberg circle second Neuberg point second Neuberg triangle second normal form second normal form, 2NF second normal stress difference second number-class second of arc second of time second open Second Opium War second order

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