And then the material performance was confirmed by a serious test such as low-temperature falling ballimpacttest and airbag deployment specification test.
并以低温落球试验、气囊展开特性试验对材料选择结果进行了验证，并对以后同类型的设计提供了参考。
2
A brief introduction about test operation, the judgment of the pressure trace, the impact factors of the ball pressure test in the medical devices area…
对医疗器械产品中球压试验的操作、压痕判定、影响试验的因素进行简要论述。
3
Effect of impact on wear resistance of high chromium cast iron and austenitic stainless steel has been studied by ball-on-ballimpact and pin-on-disc abrasion test.