| 单词 | zone leveller |
| 释义 | > as lemmaszone leveller zone leveller n. an apparatus used for zone levelling. ΘΚΠ society > occupation and work > equipment > metalworking equipment > [noun] > zone refiner zone leveller1956 zone refiner1959 1956 Bell Syst. Techn. Jrnl. 35 660 A zone leveler has been developed to provide growth conditions suitable for the production of quality germanium single crystals. < as lemmas |
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