Kev siv kom raug thiab kev saib xyuas ntawm silicon carbide crucibles ua lub luag haujlwm tseem ceeb hauv lawv txoj kev ua neej ntev thiab kev ua tau zoo. Nov yog cov kauj ruam pom zoo rau kev txhim kho, preheating, them nyiaj, tshem tawm slag, thiab tom qab siv kev saib xyuas ntawm cov crucibles. Hauv...
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