roll gap的用法和樣例：
例句
- These are significantly used for reference for the design of leveler and gap setting during the actual process of leveling.
這對矯直機的設計和實(shí)際矯直中的輥縫設定有借鑒意義。 - Also discussed are relevant issues concerning use of the equation of piercer roll opening to determine the said conical angle.
探討了利用斜軋穿孔機軋輥開(kāi)度方程來(lái)選擇頂頭平整段錐角的有關(guān)問(wèn)題。
