Examine the pressure meter tube and valve, pressure meter cover glass, if it is dirty, clean it with diluted hydrochloric acid.

检查压力表管道及阀门是否畅通，灵活，压力表面玻璃如有污，可用稀盐酸拭净。

youdao

Mother meter vertical hui tong tube, wu lodge sink mans lonely night.

母仪垂则辉彤管，婺宿沉芒寂夜台。

youdao

The measurement error of Coriolis mass flow meter is based on the vibration characteristics of the elastic tube of flow meter.

弹性测量管的振动特性决定了科氏质量流量计的测量精度。

youdao

Visitors walk through a ninety-one meter glass tube.

VOA: special.2010.08.13

Created to help the world's couch potatoes turn the tube on and off without having to make the arduous 2-meter journey to the TV set, the standby feature has spread to virtually every appliance in the home and office.

WSJ: Switching Off Standby Mode