Chemical reagents的用法和样例：
例句
- It mainly controls the receiving of the chemical from the Day Tank and the supply of the chemical to the P.O.U.
主要控制从日箱接收化学试剂并将其分配到使用点的过程。 - Formalin, a chemical used to prepare samples for microscopy, had crosslinked nucleic acids with protein.
福尔马林，一种用于镜检前的化学试剂，它可以使核酸和蛋白交联。
