performance valve造句

The company made high performance valves that were used in many racing engines of the day, including the Miller Offy.
In aftermarket high performance valve spring applications, the need for controlled and multi-step shot peening is a requirement to withstand extreme surface stresses that sometimes exceeds material specifications.
Compared to traditional rocket engines with very complex plumbing, high performance valves, actuators and turbopumps, VASIMR has almost no moving parts ( apart from minor ones, like gas valves ), maximizing long term durability.
It's difficult to find performance valve in a sentence. 用performance valve造句挺难的