| 单词 | well tubbing |
| 释义 | > as lemmaswell tubbing well tubbing n. now rare the lining of a well shaft; cf. tubbing n. 2a. ΘΚΠ society > occupation and work > industry > mining > [noun] > lining of pit-shaft tunnelling1686 tubbing1839 plank-timbering1881 well tubbing1898 1898 F. Davis Romano-Brit. City of Silchester 41 Roman wine casks that have served the purpose of well tubbing. 1943 Trans. Inst. Water Engineers 48 173 In view of the possible recurrence of this trouble with the bottom string of well tubbing, it was decided to replace the cast iron cutting edge of this string. < as lemmas |
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