“workover derrick”的概念、定义、翻译、参考文献-科学参考

单词	workover derrick
释义	workover derrick 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	health maintenance with proper diet for women and children health maintenance with proper diet in the elderly health maintenance with scraping therapy Health management health management Health Management Engineering health management for elderly health management model Health management statistics Health Management System health meteorology health monitoring health monitoring for civil engineering health monitoring information platform health monitoring system for dam structures health monitoring system for long-span spatial structures health monitoring system for transmission tower-line systems Health monitoring variable of structures health needs health of land ecosystem health personality health plant Health Policy health policy research health-preservation theory

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