When the viscosity of the liquid delivery higher, or when the system work in a cold environment, we must ensure that the transmission medium can flow smoothly.
当输送液体的粘度较高，或当系统在寒冷环境工作时，必须确保输送介质能够顺畅地流动。
Because reading button does not need contacting, the system can work in dirty, wet, cold, hot and other severe environment. And it can avoid destroying the information button.
本系统因为读信息扭不需要接触，可在脏、潮、冷、热等恶劣环境下工作，也避免了信息钮被破坏的问题。
Because reading button does not need contacting, the system can work in dirty, wet, cold, hot and other severe environment. And it can avoid destroying the information button.
本系统因为读信息扭不需要接触，可在脏、潮、冷、热等恶劣环境下工作，也避免了信息钮被破坏的问题。
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