| 单词 | sapphire stylus |
| 释义 | > as lemmassapphire stylus sapphire stylus n. ΚΠ 1947 Gramophone Oct. 74/1 This..has the..replaceable sapphire stylus, for which the makers claim 1,000 playings before replacement is necessary. 1974 Encycl. Brit. Macropædia XVII. 54/1 When, between 1933 and 1935, attempts were made to use sapphire styli with electrical pickups weighing 50 to 150 grams.., record wear was found to be excessive. < as lemmas |
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