This device is easy to control, simple in maintenance and low in cost; functionally it can substitute for metering pumps and electromagnetic flow meters used in system.

该装置易于控制，维护维修简单、成本低廉，功能上能取代系统中使用的计量泵和电磁流量计。

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A rotermeter linkage device with a synchronous belt comprises an oxygen flow meter (10) and a laughing gas flow meter (9); flow control knobs (2) of the meters are provided with a gear respectively;

一种同步带转子流量计联动装置，包括氧气流量计 （10）和笑气流量计（9），流量计的流量控制钮（2）上 各装有齿轮；

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