Soft start valves are used to throttle the gas flow in roughing lines. They prevent turbulences in piping and containers, particulatecontamination in vacuum installations.
软启动阀适用于在粗加工过程中调节燃气气流，能防止管道和容器中的气体动荡、真空装置的微粒污染等。
2
The main causes of fever reaction due to intravenous transfusion include pyrogen reaction, particulatecontamination, bacteria and virus contamination, and side effect of drugs.