Central impact tests between concrete blocks are performed by a pendulum test system and a dropweighttest system.
采用单摆和垂直轨道装置进行了混凝土块体对心碰撞试验。
2
The effective thermal input of pulse flash process is large, it can help reduce the dropweighttest fracture of flat spot, which is suitable for welding U75V rail.
脉动闪光工艺的有效热输入大,有利于降低落锤断口灰斑,适合焊接U75V钢轨。
3
The researchers calculated that every extra point of body mass index (BMI – your weight in kilograms divided by the square of your height in metres) led to a 1-point drop in the memory test.