普通灭菌箱的进手口一般使用的是细布筒,培养料的进出口也封闭不严。接种时,操作人员手臂不断向内向外移动,空气也会因箱内随之产生增压和负压而从布筒和培养料进出口不断地流进流出,虽然气流进出量甚微,但对接种的成功率却有一定影响。为了 General sterilization box is generally used in the beginning of fine cloth tube, import and export of culture material is also closed lax. Inoculation, the operator’s arm constantly moving inward and outward, the air will also be generated due to the box with the supercharger and negative pressure from the cloth and culture materials import and export continue to flow in and out, although the inflow of air flow is very small, The success rate of vaccination has a certain impact. in order to