By statistically analysing those accidents of gas trunk line at Sichuan OaS Field, the paper concludes that the internal corrosion is the main reason in pipeline accidents.

本文通过对四川气田输气干线事故的统计分析，说明了内腐蚀是管道事故发生的主要原因。

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These techniques are used successfully in S24, W2 and Z4 well of Sichuan gas field to remove the downhole accidents.

运用这些技术成功地在四川气田s24井、W 2井、Z 4井进行了侧钻实践，解除了这些井的井下事故。

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The current active safety system in the field has difficulty in getting a lower accidents rate due to the complex reason for the sudden accident.

目前，汽车安全领域的主动安全技术难以大幅度的降低交通事故，主要是因为事故发生原因的复杂性和突然性。

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Only seven cars completed the race in Melbourne, a combination of engine problems and accidents accounting for the majority of the field.

CNN: Formula One dominated by uncertainty

These 6- and 7-year-old boys and girls knock the snot out of the ball--with five strikes they get their chances--but outs in the field are infrequent, and always accidents.

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