Wall caving cutting work

Cutting work includes boring the cutting alley and cutting the patio. 1. Cutting the alleys - along the direction of the ore body at the lower boundary of the stope, and with each ore slippery. Cutting lane width = 2 meters, height = thickness of the seam. The function of cutting the alley is: as t

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[Meter's latest patent] remote water meter with ladder pricing

[Chinese instrument network meter patent] creative limit, instrumentation invention. Today, we introduce a national patent for invention - a water meter with M_bus bus remote transmission for ladder pricing. The patent was applied for by Xuzhou Junxing Electronic Technology Co., Ltd. and was authori

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International first-class metrology innovation base

For the second consecutive year, it won the first prize for national science and technology progress; during the “Eleventh Five-Year Plan” period, a total of four projects won the National Science and Technology Progress Award, and 39 were awarded the Science and Technology Rec

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