化学性预防剂
chemical altering biologic response
冷却液防锈剂预充
coolant conditioner precharge
预充防锈剂罐
precharge conditioner element
预充冷却液防锈剂罐
precharge coolant conditioner element
预防型抗氟剂
preventive anti fluorine agent
B型肝炎病毒的感染与预防
hepatitis B virus infection and prevention
GIS设备事故的预防
Prevention of Accidents in GIS
Prevention of Failure for GIS
Haffkine氏预防接种
Haffkine’s preventive vaccination against plague
Haffkine’s vaccination