文中讨论了裂纹的形成和传播机制，并阐明了铜管出现应力腐蚀破裂的原因。
The formation and propagation mechanism of the cracks is discus - sed and the cause for the stress corrosion fracture in the brass pipe is elucidated.
如不及时发现，铜管就会破裂，水外溢。
If it is not timely found, the copper pipe will fracture and the water will be overfall.
如不及时发现，铜管就会破裂，水外溢。
If it is not timely found, the copper pipe will fracture and the water will be overfall.
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