it is widely used in mining roadway u, especially in deep complex roadway and soft coal seam roadway it overcomes the disadvantages of fragile cement cushion block, difficult transportation and high cost it avoids the easy escape of formwork during concrete pouring, the unstable fixation of reinforcement, and the common unevenness when the formwork is removed it solves the problem that the concrete components are prone to produce engineering hidden dangers due to small cracks and can not guarantee the engineering quality.syi it is a kind of passive support for coal mine support, with high tensile strength and compressive strength, good toughness and high supporting force the support strength is large and can be used for many times.
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Productos De Lavandería Cepillo De Lavado Con Mango Cepillo De Plástico Cepillo Suave Para El Hogar Cepillo De Lavado Colgante
Specifications of Productos De Lavandería Cepillo De Lavado Con Mango Cepillo De Plástico Cepillo Suave Para El Hogar Cepillo De Lavado Colgante | |
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Category | Casa y jardín > Productos del hogar > Productos de limpieza para el hogar |
Instock | instock |