研究开发新型的支护设备。

The research develops the new a equipments.

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介绍了一种薄煤层采煤支护设备—ZY3300/07/13D薄煤层液压支架。

Intrduces a equipment of low seam mining support-ZY3300/07/13D the low seam hydraulic support.

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这对我国缓倾斜薄矿脉的矿山深井开采支护设备的引进和改造，将有一定的参考借鉴作用。

It can be used for reference for the import and remoulding of supporting equipments of deep well mining of narrow and gentle dip vein.

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