一个单个的阿尔法粒子能够产生每厘米30000到70000个正、负离子的踪迹，这些粒子可能受到周围电场的作用而极化或运动。
A single alpha particle generates a track of from 30,000 to 70,000 positive and negative ions per cm, which may be polarized and moved about by ambient electric fields.
圆锥滚子轴承的负荷作用于轴承在某一个角度，即所谓的阿尔法对轴中心线的接触角，（参见下图）转移。
Taper Roller Bearings transfer the loads acting on the bearing at a certain angle, the so called alpha contact angle towards the shafts centre line, (see sketch below).
圆锥滚子轴承的负荷作用于轴承在某一个角度，即所谓的阿尔法对轴中心线的接触角，（参见下图）转移。
Taper Roller Bearings transfer the loads acting on the bearing at a certain angle, the so called alpha contact angle towards the shafts centre line, (see sketch below).
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