而在这一技术中，路面故障点位置的确定是技术关键。
In this technique, the fault location of road is the key technology.
钢卷包装是冷轧生产中很重要的辅助工艺技术，我国在这一技术上与世界工业发达国家相比落后很多。
Coil Packaging is a very important auxiliary process of the cold rolled sheet production. China has been falling behind developed-country in this technology.
在这一技术中，发动机的排气降温是关键环节之一，它直接影响到整个尾气微粒过滤系统的工作安全性。
The reduction of the engine exhaust gas temperature is one of the key points of this technology, which will influence the safe operation of the entire filter system.
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