The said cushion is equipped with high bearing capacity, low compressibility, large Angle of stress dispersion.
石粉垫层具有承载力高、压缩性低、应力扩散角大、自身消散附加应力能力强的特点。
Side spin is used for a number of reasons, but its main job is to change the Angle the cue-ball bounces off the cushion after hitting the object ball.
使用侧旋可以是出于很多种原因，但是最主要的一点就是改变母球离开目标球之后再吃库时的反射角度。
Side spin is used for a number of reasons, but its main job is to change the Angle the cue-ball bounces off the cushion after hitting the object ball.
使用侧旋可以是出于很多种原因，但是最主要的一点就是改变母球离开目标球之后再吃库时的反射角度。
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