enzyme preparation的用法和样例：
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.
我国已步入工业酶生产大国的行列，产量大，职业接触人群多，急需制定相应职业接触限值来保护工人健康，促进酶制剂工业的发展。 - Nowadays, domestic hemocoagulase preparation is hemocoagulase injection, which cannot be imitated for its protection period.
目前国内血凝酶制剂为注射用血凝酶，但因为保护期未到，无法仿制。
