sterile air无菌空气sterileadj.贫瘠的；无生气的；无生育能力的；无结果的；无菌的sterile changeover育性转化steriled seedlings无菌苗sterile tobramycin灭菌妥布霉素sterile characters败育特点sterile suspension灭菌混悬剂sterile pack fluid器械消毒液sterile transcript不表达转录物Sterile alteration育性转换sterile filtration过滤除菌Sterile line hybrid不育化杂交种

1. For the single door unit, leakage prior to stoppering around the door seal is not a major problem from a sterility concern, because single door units only open into sterile areas.
   对于单门系统，在冻干过程中，产品全加塞前的泄漏，不是一个主要的问题，因为单门系统的开门方向是在无菌区。