软连接用于设备之间相对位置或距离不完全确定的密闭连接。被广泛应用于医药，食品，化工等粉粒体或液体输送管道或设备之间的柔性连接。
Soft connection is used for closed connection with incomplete determination of relative position or distance between devices. It is widely used in flexible connection between powder granules or liquid conveying pipelines or equipment in medicine, food, chemical industry, etc.
