• 1. medium hardness: 中等硬度
• 2. MEDIUM-HARDNESS POLYESTER: 中硬度聚酯
• 3. Medium hardness polyester: 中硬度聚酯

更多释义

• 1.Under certain wear condition the wear resistance of 45 steel with medium hardness is higher than that with high hardness.
  在一定磨损条件下，中硬度钢比高硬度钢耐磨。
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• 2.The compressibility of vuggy rocks with medium hardness is usually small and can be neglected in the calculations of reservoir engineering.
  计算结果还表明，中等硬度的岩石溶洞的压缩系数都很小，油藏工程计算中可将其忽略。
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• 3.Ring hammer crusher apply in mining, cement, coal, metallurgy, building materials, road, such departments of medium hardness and brittleness material finely.
  环锤式破碎机适用于矿山、水泥、煤炭、冶金、建材、公路、燃化等部门对中等硬度及脆性物料进行细碎。
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