The highly active catalysts for ethynylation are the key to lower production cost.
因此，采用自行研制的高效乙炔化催化剂是降低生产成本的关键。
The Current Cost accounting is an active subject in the accounting field of Japan.
时价主义会计在日本会计学界是一个争论激烈的课题。
The Current Cost accounting is an active subject in the accounting field of Japan.
时价主义会计在日本会计学界是一个争论激烈的课题。
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