| 单词 | valve-holder |
| 释义 | > as lemmasvalve-holder valve-holder n. ΚΠ 1922 Wireless World 4 Mar. 748/1 The base..carries the valve holder. 1960 Pract. Wireless 36 392/2 Positions for the valve holders can be marked out from the measurements indicated in Fig. 2. < as lemmas |
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