| 单词 | pump joint |
| 释义 | > as lemmaspump joint pump joint n. ΚΠ 1775 J. Smeaton Reports (1812) II. 354 Secure the pump joint with three spear plates. 1849 G. C. Greenwell Gloss. Terms Coal Trade Northumberland & Durham 15 Collaring, a framing composed usually of pieces of cross timber, placed under the pump joints in a shaft, for the purpose of steadying and supporting the set. 1993 Oil & Gas Jrnl. (Nexis) 7 June 42 Because the pump joint was 2 3/8-in. tubing, only two heavy-wall insert pump barrels are available to fit inside the pump joint. < as lemmas |
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