1·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；