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;