常見例句雙語例句Anshan-type low-grade hematite ore; Classification; Gravity concentration; Magnetic separation; Reverse flotation; Steel ball system of grinding;鞍山式貧赤鉄鑛石; 分級; 重選; 磁選; 反浮選; 磨鑛鋼球制度;Grinding burn and the harm during the hard grinding of steel ball are elaborated, the purpose is to control the loss of production process and decrease the cost of product.闡述鋼球硬磨加工中産生的磨削燒傷竝探討磨削燒傷的危害性,目的是控制産品加工中的損耗,降低産品成本。The drain valve is opened or closed by taking advantage of the change of liquid level of condensate water with the high-precision grinding stainless steel hollow float ball in the valve cavity.利用高精度研磨不鏽鋼空心浮球在閥腔內(nèi)隨著凝結(jié)水的液位變化開啓或關(guān)閉閥門。 返回 steel grinding ball