求翻译：领用药用乙醇时应先将乙醇罐所接管中夜封用的残留乙醇排尽，将所发药用乙醇放入领料部门送来的洁净容器内，定容，及时封口是什么意思？

Apply for medication use ethanol alcohol tank should first be taken over by zhongye letter discharging residual ethanol of exhausted, medicinal alcohol sector came into picking in a clean container, constant volume, timely and sealing