For hours, this AD hoc rescue team formed a line and passed along bricks or chunks of concrete in an attempt to clear debris.
一连几个小时里，自发的救援人员排成长队，搬运学校废墟里的砖头和水泥块，想清理一下现场。
It is monitored previously only with off-line methods which are based on the analysis of debris weared.
以往点蚀监测只能采用离线的监测手段根据对齿面磨损颗粒的分析做出结论。
It is monitored previously only with off-line methods which are based on the analysis of debris weared.
以往点蚀监测只能采用离线的监测手段根据对齿面磨损颗粒的分析做出结论。
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