Professional and robust road measuring wheel with built in stand and brake.
专业人员和强大的道路测量车轮内置的立场和刹车。
2
Not only is the thrust stand used for steady state thrust measurement, but it can also be used for measuring changeable thrust.
不仅用于稳态推力测量，而且也用于变推力测量。
3
The cause and damage of hydrogen humidity in generator is analyzed, the measuring mechanism of hydrogen humidity is expounded, a personal stand point for conversion of standard is introduced.