美[sju:pə'kɑ:bəneɪt]英[sju:pə'kɑ:bəneɪt]
n.碳酸氢盐
A Study of the Technological Process of Sodium Supercarbonate
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美[sju:pə'kɑ:bəneɪt]英[sju:pə'kɑ:bəneɪt]
n.碳酸氢盐