Flow controlled can be adjusted as per people's vital capacity and labor intensity.
Flow controlled can be adjusted as per people's vital capacity and labor intensity.
流量控制器具有可调节性能，可根据人员肺活量大小、劳动强度自动调节。
Flow controlled can be adjusted as per people's vital capacity and labor intensity.
流量控制器具有可调节性能，可根据人员肺活量大小、劳动强度自动调节。