在静水和汹涛中单腿破断试验。
疲劳性能试验检验材料在交变载荷作用下抵抗破断能力的一种试验，其试验的疲劳极限作为工程构件的设计依据。
The fatigue function test is the one that to examine resist burst function on the change force. It's basis engineering component design which the fatigue limit by test.
通过岩矿的抗压强度和自然矿块破断力力学试验研究，找到了降低粗磨机钢球尺寸的理论依据。
Theoretical reason of reducing ball size of coarse grinding has been found through tests on compressive strength of rock and rupture stress of natural ore lump.
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