| 单词 | well rig |
| 释义 | > as lemmaswell rig well rig n. all the surface equipment for constructing a new oil or gas well. ΘΚΠ society > occupation and work > equipment > piercing or boring tools > [noun] > boring tool > for boring in the ground auger1532 borer1572 boring-rod?1677 wimble1693 well borer1780 rock drill1836 miser1842 bore-rod1849 header1863 well drill1866 rig1875 well rig1875 trepan1877 broaching-bit1881 heading machine1897 1875 E. H. Knight Amer. Mech. Dict. III. 2759/1 Well-rig is the term applied to the whole plant for well-boring, consisting of the derrick, its engine, [etc.]. 1931 Jrnl. Amer. Water Wks. Assoc. 23 1139 There are three distinct types of well rigging..at the present time: The old time standard well rig, [etc.]. 2008 R. Compton Western Ramblings 14 Hezekiah had to move his well rig to another location. < as lemmas |
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