| 单词 | grease-cock |
| 释义 | > as lemmasgrease-cock grease-cock n. a cock or cup by means of which machinery is supplied with grease. ΘΚΠ society > occupation and work > equipment > machine > parts of machines > other parts > [noun] > lubricators oil ring1830 grease-cock1839 grease cup1839 needle lubricator1873 oleojector1884 ring oiler1890 1839 R. S. Robinson Naut. Steam Engine Explained 155 The instrument is then fixed in the grease cock of the cylinder. < as lemmas |
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