词条	Speed of sound in selected solids
释义	Speed of sound in selected solids Table Speed of sound in selected solids solid speed metres/second feet/second aluminum, rolled 5,000 16,500 copper, rolled 3,750 12,375 iron, cast 4,480 14,784 lead 1,210 3,993 PyrexTM 5,170 17,061 LuciteTM 1,840 6,072 See as table:
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