Analyzing the variation of the nozzle arc parameters at current zero, in addition, analyzing the breaking property of the studied circuit breaker on the basis of the theory.

分析了电流过零时喷口内电弧参数变化的原因，此外，从理论上对所研究的断路器的开断性能进行了分析。

Field using verified that the fluid possesses good gel breaking property, the operating friction value is low, the proppant carrying ability is strong and fracture length is in control.

现场实验表明，清洁压裂液具有破胶性能，施工摩阻低，携砂能力强，可有效地控制缝高。

On the other hand, there have been hundreds of thefts and cases of deliberate damaging of public property, which usually involves breaking windows or lights, or writing on walls.

另一方面，已经发生了数百起盗窃和蓄意破坏公共财产的案件，通常涉及打破窗户和灯具，或在墙上写字。