cross-line的用法和樣例：
例句
- Assuming a horizontal block of ups and downs on the ground, the water's surface and materials County line is a continuous contour.
假設用一個水平面街區高低起伏的地面，則水品縣與地面的交線就是一條連續不斷的等高線。
辭彙搭配
- cross line 交叉線(讀數線)...
- cross the line 穿過那條線, 穿過馬...
- cross-feed line 相互供應輸送管...
- line cross 侵進球門區,品系間雜...
