Trang chủ/JLPT null/Từ vựng/ローラーローラー🔊☆ Lưu vào danh sáchローラーNghĩa—Câu ví dụフロントローラーのスラスト角は２度、多分レース時にはもう少し角度を強める予定です。The front-roller thrust angle is 2 degrees, probably there were plans to strengthen that angle a little when racing.