steel grinding ball

基本解釋

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隨著凝結水的液位變化開啓或關閉閥門。