| 单词 | one drill |
| 释义 | > as lemmasone drill one drill adj. ΚΠ 1850 Ann. Rep. Commissioner Patents 1849: Arts & Manuf. 457 in U.S. Congress. Serial Set (31st Congr., 1st Sess.: House of Representatives Executive Doc. 20, Pt. 1) VI A one-drill seeding machine was patented in 1841. 2001 Canad. Machinery & Metalworking (Nexis) 1 Aug. 28 The Chamdrill is a system for drilling small holes using a one drill body and a variety of indexable heads. < as lemmas |
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