backpressure

基本解释

If you need to raise backpressure, the preferred solution is to add more screens and increase screw speed.
如果你需要升高背压，较好的方案是添加更多的滤网并增加螺杆速度。
Series 957, 957N, 957Z are normally used in health hazard applications for protection against back siphonage or backpressure.
系列957，957N，957Z通常用于健康危害应用场合，防止反虹吸或反压力所带来的危害。
The work principle and structures of backpressure piston rings and integral non-backpressure piston rings were expounded.
分别对开口有背压活塞环和整体无背压活塞环的工作原理和结构作了阐述。

HCD-14 Genesis exhaust is ceramic-lined and was tuned for minimal backpressure, maximum high-rpm horsepower, and a deep baritone note, with cooling fins integrated into ultra-wide exhaust tips.
ENGADGET: Hyundai unveils HCD-14 Genesis concept: suicide doors, gesture and eye controls