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；
Some research for setting up the measurement standard of oxygen and other gas volume flow meter for hospital are get.
为建立医用氧气及其他气体流量计的计量标准作了一些探索。
Some research for setting up the measurement standard of oxygen and other gas volume flow meter for hospital are get.
为建立医用氧气及其他气体流量计的计量标准作了一些探索。
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