MCQ Practice All Subject 📖 কোনটিকে Gauge distance বলে? A Center to center of rail B Outer face of rail C Running face of rail D কোনোটিই নয় Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up
