The roadheader-borne temporary support is enabled to greatly increase the productivity of drift excavation, decrease hand labour for supporting, and ensure productive safety.
在掘进机上增加机载式临时支护机，可以大大提高掘进工作的劳动效率、降低支护工作劳动强度并保障生产安全。
The roadheader-borne temporary support is enabled to greatly increase the productivity of drift excavation, decrease hand labour for supporting, and ensure productive safety.
在掘进机上增加机载式临时支护机，可以大大提高掘进工作的劳动效率、降低支护工作劳动强度并保障生产安全。
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