单词 stemmer 释义 ▪ I. stemmer1 Mining.|stm(r)|[f. stem v.2 + -er1.]a. A metal bar used for stemming; a tamping bar. b. (See quot. 1909.)1860Mining Gloss., Derbysh. Terms 44 Stemmer, a piece of iron with which the clay is rammed into the shot holes to m...
