Russians first discovered these cast iron balls with single looped handles.
俄罗斯第一次发现这些单环把手铸铁球。
If you control normal spirals very good, then this maneuver isn't really difficult. You just need iron balls, and you can NOT make a single mistake.
如果你的螺旋做得非常好，这个动作不是很难，你只是需要胆大心细，不犯错误。
Waves of deafening sound come from a steel pipe spiraling over the scaffolding, within which a set of invisible iron balls circulate endlessly around the exhibition space.
一阵阵震耳欲聋的声响冲击着观众的耳膜，声音来源于脚手架支撑的钢管，其中的封闭铁球不停地沿着展厅四周盘旋滚动。
Primary uses for wrot brass are for ball valve stems and balls, and iron valve stems. a forging grade of brass is used in ball valve bodies and pieces.
黄铜的主要用途是球阀阀杆和球体，和铸铁阀门的阀杆。可锻黄铜可用于球阀阀体和断口部件。
The Compositions, structures and properties of medium manganese S. G. iron grinding balls were investigated under conditions of laboratory.
在实验室条件下对中锰球铁磨球的成分、组织和性能进行了试验研究；
The effects of binder and damp mill on green balls, the process for preheated pellets with high strength and easy reduction, and coal-based direct reduction iron(DRI) were studied.
以新疆磁铁精矿为原料，采用“一步法”直接还原，研究粘结剂种类和润磨方式对生球质量的影响，高强度、高还原性预热球团的制备及煤基直接还原的工艺。
The effects of binder and damp mill on green balls, the process for preheated pellets with high strength and easy reduction, and coal-based direct reduction iron(DRI) were studied.
以新疆磁铁精矿为原料，采用“一步法”直接还原，研究粘结剂种类和润磨方式对生球质量的影响，高强度、高还原性预热球团的制备及煤基直接还原的工艺。
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