enzyme preparation的用法和樣例：
例句
- To keep pace with the rapid development of enzyme industry, it is imperative to set OELs for enzyme-containing dust and industrial enzyme.
我國已步入工業酶生產大國的行列，產量大，職業接觸人群多，急需制定相應職業接觸限值來保護工人健康，促進酶製劑工業的發展。 - Nowadays, domestic hemocoagulase preparation is hemocoagulase injection, which cannot be imitated for its protection period.
目前國內血凝酶製劑為注射用血凝酶，但因為保護期未到，無法仿製。
