butt length 中文意思是什麼
butt length
解釋
根段原木-
D - the semi - circle on the baulk line from which all starting strokes must be played extension - fitted the butt of the cue, providing additional cue length
開球區-發球線上半圓形區域,所有的開桿都必須在這一區域完成 -
Extension - fitted to the butt of the cue, providing additional cue length
加長桿接在球桿桿尾,以便增加球桿長度
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