• The structure, working mechanism and laboratory tests of new type fast makeup casing heads are introduced. Field installation and applications of the casing heads are described in detail.

    介绍了新型快装套管头的结构、工作原理及室内试验情况,详细叙述了该套管头的现场安装及应用情况。

    youdao

  • The structure, working mechanism and laboratory tests of new type fast makeup casing heads are introduced. Field installation and applications of the casing heads are described in detail.

    介绍了新型快装套管头的结构、工作原理及室内试验情况,详细叙述了该套管头的现场安装及应用情况。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定