“双向的”造句

把祈祷想成一种 双向 的交谈.
Think of prayer as a two - way conversation.

我不明白为什么这个原则不能是双向的?
I don't understand why this doesn't flow both ways.

阀座阀瓣应该是双向的,能够延长止回阀寿命.
Seat discs shall be reversible to extend check valve life.

• #双向的