... 勾码成型机 forming machine for flange clamp 多普勒超声波流量检测仪 doppler ultrasonic flow detector 温、湿度传感器 "temperature, humidity senor" ...
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勾码成型机 Forming machine for flange clamp 多普勒流量检测仪 Doppler ultrasonic flow detector 温、湿度 "Temperature, humidity senor" ..
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pulse ultrasonic Doppler blood-flow detector 脉冲超声多普勒血流计
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