They do not allow two-layer routing and have no channels, so you cannot use a channel-based router.

他们不允许两层布线并且没有通道，因此你不能用一个基于通道的布线器。

youdao

They do not allow two-layer routing and have no channels, so you cannot use a channel-based router.

他们不允许两层布线并且没有通道，因此你不能用一个基于通道的布线器。

youdao