A kiln or part of a kiln in which pottery can be fired without being exposed to direct flame.
隔焰窑烧陶器时炉内防止火焰直接与之接触的隔焰窑或其一部分。
To search a method to determine lead in high salt food with direct flame atomic absorption.
建立一种以直接火焰原子吸收法测定高盐食品铅含量的方法。
The device shall be exposed to direct flame contact for 12 seconds using the instrument specified.
应使用规定的仪器将装置与火焰正面接触12秒。
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