Some people enjoy football, while others like basketball. These two ball games are the most popular in China.
有些人喜欢足球，有些人喜欢篮球，这两项球类运动在中国都很流行。
I've got a rubber and two ball pens.
我有一块橡皮和两支圆珠笔。
Every driving interface module could equally be driven by one or two ball leading screws.
每个驱动接口模块均可由一根或两根滚珠丝杠驱动。
Grinding head on, sliding imports of dual-use system linear guide, two-ball screw drive, to achieve the smooth running speed to eliminate mobile space (displacement).
磨头座、滑动系统采用进口的双直线导轨、双滚珠丝杆传动，以达到运行速度平稳、消除移动间隙(位移)。
Grinding head on, sliding imports of dual-use system linear guide, two-ball screw drive, to achieve the smooth running speed to eliminate mobile space (displacement).
磨头座、滑动系统采用进口的双直线导轨、双滚珠丝杆传动，以达到运行速度平稳、消除移动间隙(位移)。
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