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When the fire alarm rang we assembled outside the emergency exit.
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当火警信号响起时，我们都聚集到紧急出口外。 |
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When the fire alarm sounds, each man rushes to his post.
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火警一响,每个人都奔向自己的岗位。 |
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When the fire breaks out, fire source may spread to the storage tank through the inlet, when the flame passes the small pore of the flame-resistant core layer in the flame arrester, due to the wall effect, the corrugating plate absorbs a great deal of hea
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当发生火警时，火源有可能通过入口向储罐内漫延，当火焰通过阻火阀内阻火芯层的狭小孔隙时，由于器壁效应，波纹板吸收大量热源，使热损失突然增大，从而使火焰熄灭。 |
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When the fire breaks out, fire source may spread to the storage tank through the inlet, when the flame passes the small pore of the flame-resistant core layer in the respiration valve, due to the wall effect, the corrugating plate absorbs a great deal of
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当发生火警时，火源有可能通过进入口向储罐内漫延，当火焰通过呼吸阀内阻火芯层的狭小孔隙时，由于器壁效应，波纹板吸收大量热源，使热损失突然增大，从而使火焰熄灭。 |
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When the firemen arrived the whole building was blazing .
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消防队到达时,整座建筑物正在熊熊燃烧著. |
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When the firemen arrived the whole building was blazing.
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消防队到达时, 整座建筑物正在熊熊燃烧著. |
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When the firemen arrived, the fire was blazing out of control.
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消防人员到达时，火正失去控制地剧烈燃烧。 |
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When the firework blows up in Merry and Pippin's hands the high-pitched scream is actually Billy Boyd, who didn't know the firework was going to explode.
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当皮聘和梅里偷出甘道夫的烟火放的时候，皮聘因为烟火炸起来而发出一声尖叫。这其实是扮演者比利·鲍伊德被吓着了。他没想到那东西真的会炸。 |
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When the first all-purpose computer was completed in 1946,
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当第一台多功能电子计算机在1946年安装完备的时候, |
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When the first artificial pacemakers for the human heart were developed about 30 years ago, the sole objective was to save the patient from unpredictable sudden death.
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当首批心脏起搏器在大约30年前问世时，其唯一的目的就是使患者免遭意外的猝死。 |
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When the first connection has to be made, the hoisting apparatus on the rig is put to use.
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原译：当必须进行第一次连接时，钻机上的提升设备就被投入使用。 |
