two-way valve

例句：

1. 1.This two-way valve allows for easy adjustment of the flow rate.
   这个双向阀门允许轻松调整流量。
2. 2.The two-way valve is used in many industrial applications to control fluid flow.
   双向阀门在许多工业应用中用于控制流体流动。
3. 3. In this case, the two-way valve was designed to provide a safe and reliable backup system.
   在这种情况下，双向阀门被设计为提供一种安全可靠的备用系统。