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• 道 岔 號 數<br />

• N=0.5×cot(θ/2)<br />

q 1<br />

N<br />

• 岔 尖 種 類<br />

• Point switch<br />

• Stub switch<br />

• Switch with full-web<br />

section point<br />

• De<strong>rail</strong>ment point<br />

• Lifting switch<br />

• 號 數 大<br />

• 過 岔 速 度 高<br />

• 曲 率 半 徑 大<br />

• 有 害 空 間 大<br />

6

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