验证载荷 meaning in Chinese

proof load

The emission observed while holding at the proof load provides another piece of information regarding the imminence of failure .
在验证载荷施加期间，检测声发射还能额外地提供有关破坏临近程度的信息。
Cone proof load test on nuts
螺母的圆锥验证载荷试验
Mechanical properties of fasteners . part 2 : nuts with specified proof load values . coarse thread
紧固件的机械性能.第2部分:有规定的验证载荷值的螺母.粗牙螺纹