... fast line 快绳 fast makeup 快速连接 fast mean-free path 快中子平均自由程 ...
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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。
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