保龄球设备 bowling equipment
保龄球设备和器械 Bowling apparatus and machinery ; bowling equipment and apparatus
桌球设备 Table Tennis Equipment
造球设备 balling equipment
其他高尔夫球设备 Other golf equipment
网球设备 Tennis equipment
球磨设备 grinding equipment
球场设备 Court Equip ; Sports Court Equipment
球团设备 Pelletizing Equipment
实验室球磨设备 lab ball mill
关键在于光纤球功能的开发，一种光学设备，不仅要保持自身的不可见性，还要能减缓光线。
The key development lies in the ability of the sphere, an optical device, not only to remain invisible itself but to slow light.
这对于那些没有触摸板或者轨迹球等硬件的设备来说，简直棒级了。
This is excellent for devices that don't have hardware trackpads or trackballs.
它们用这个设备-，这个叫做清障球-，它们用这个来拆房。
They use these devices — - it's called a wrecker ball — they use them to demolish buildings.
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