1·The mechanical property of graft copolymer was tested by electronic tensile testing machine and impact testing machine.
并用电子拉力试验机、冲击实验机对产物力学性能进行了测定。
2·Pendulum impact testing machine is on the metal material to resist the impact of dynamic load performance testing equipment.
摆锤式冲击试验机是对金属材料在动负荷下抵抗冲击性能进行检测的仪器。
3·The present paper aims to introduce its authors testing and investigation of the impact of machine vibration on the building structure.
应用振动测试方法，对机器振动对厂房结构的影响进行检测及分析。