试映羊毛采用高纯石英制成，非常适用于进样口衬管。
Quartz Wool was made from high-purity quartz, extremely low in metallic oxide impurities.
采用高纯石英制成，非常适用于进样口衬管。
Quartz Wool - Made from high-purity quartz, extremely low in metallic oxide impurities.
采用高纯石英制成，非常适用于进样口衬管。
Quartz Wool - Made from high-purity quartz, extremely low in metallic oxide impurities.
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