患者接受了手术来修复受损的心脏瓣膜。

The patient underwent surgery to repair a damaged ___heart ___valve.

旁通阀有助于控制管线上的压力。

A bypass ___valve helps to control the pressure on the line.

长号手通过调节阀门来改变音高。

The trombonist adjusted the ___valve to change the pitch.

这个收音机声音失真，可能是电子管里的电子管坏了。

The distorted sound from this radio might be caused by a faulty ___valve in the vacuum tube.

轮胎的气门芯需要更换了，因为它漏气。

The tire's ___valve needs to be replaced because it's leaking air.