The principle and the method to define parameters of cutting blasting are introduced.
切割爆破技术在拆除工程中有着广泛的应用。
This article analyses the construction and working principle of cutting-off air brake system.
本文分析了农用挂车断气制动系统的结构和工作原理。
This article analyses the construction and working principle of cutting-off air brake system.
本文分析了农用挂车断气制动系统的结构和工作原理。
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