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单词 wood's metal
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Wood's metal, [Trademark.]
  1. Metallurgy, Trademarksa fusible alloy of 50 percent bismuth, 25 percent lead, 12.5 percent tin, and 12.5 percent cadmium;
    melts at 158°F (70°C): used in the valves of sprinkler systems.

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