,1.15 球的位置（Position of Balls）,球的位置由球与台面的接触 点决定。当一颗球与台面上的接触点刚好在某条线或点上时，这颗球即为压线或压点。
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position of balls
球的位置
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Catchers train for years to get the basics of the position down: receiving, calling the pitches, blocking balls in the dirt, throwing out runners, framing pitches.
WSJ: Those Wacky Yankee Lineups
The problem is that these switches wear out, they get crushed by flying "air balls", or they are knocked and bent out of position.
BBC: Flipping heck: Is pinball about to stage a recovery?
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