| 单词 |
manual casing hanger |
| 释义 |
manual casing hanger manual casing hanger[′man·yə·wəl ′kās·iŋ ‚haŋ·ər] (petroleum engineering) A device in the bowl of the lowermost (or intermediate) casing head to suspend the next smaller casing string and to provide a seal between the suspended casing and the casing-head bowl. |
| 随便看 |
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