knuckle radius 中文意思是什麼
knuckle radius
解釋
封頭過渡區半徑-
Dished ends. dished ends with large knuckle radius. dimensions
盤形接頭.大轉向半徑的盤形接頭.尺寸 -
Dished ends. dished ends with small knuckle radius. dimensions
盤形接頭.小轉向半徑的盤形接頭.尺寸 -
Dished ends. dished ends with average knuckle radius. dimensions
盤形接頭.普通轉向半徑的盤形接頭.尺寸
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