New supporting technology and materials developed for coalmine mining not only satisfies the technical demands for roadway mesh support, but also decreases the supporting cost.
为煤矿生产研制开发的新的支护技术和材料，满足了煤巷锚网支护的技术要求，降低了支护成本。
New supporting technology and materials developed for coalmine mining not only satisfies the technical demands for roadway mesh support, but also decreases the supporting cost.
为煤矿生产研制开发的新的支护技术和材料，满足了煤巷锚网支护的技术要求，降低了支护成本。
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