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porcelain crucible造句

造句2.95W

Fuse potassium dichromate (19) in a porcelain crucible.

porcelain crucible造句

Test A: porcelain Crucible– A porcelain crucible was heated to a dull red color, placed on the test material, and allowed to cool to ambient temperature.

A small - handled, deep porcelain crucible used for heating and evaporating.

Study on the repeated use of the porcelain crucible and joining amount of flux by Instrument of high-frequency infrared of carbon and Sulphur