high-speed needle valve

例句：

1. 1. The high-speed needle valve is used in the oilpump to prevent leaks.
   高速针阀用于油泵中以防止泄漏。
2. 2. The engineerdesigned a high-speed needle valve forthe new engine.
   工程师为新引擎设计了一个高速针阀。
3. 3. The high-speedneedle valve was tested under extreme conditions toensure its reliability.
   在极端条件下测试了高速针阀，以确保其可靠性。