单词 | rock pulverizer |
释义 | > as lemmasrock pulverizer rock pulverizer n. ΚΠ 1876 U.S. Patent 177,883 1/1 Without the elastic hanging the revolving hammers are worthless as rock-pulverizers. 1967 Castanea 32 135 The parent material was reduced to fine sand size, using a rock pulverizer. < as lemmas |
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