No gap at top or bottom, which means that the underlying crossovers run at different angles.

没有任何差距，顶部或底部，这意味着潜在的交叉运行在不同的角度。

youdao

No gap at top or bottom, which means that the underlying crossovers run at different angles.

没有任何差距，顶部或底部，这意味着潜在的交叉运行在不同的角度。

youdao