ramming piston的用法和樣例：
例句
- Dual-Pressure Regulation System Modeling, Simulation and Thermal Analysis based on Swing Plate Piston Pump.
基于斜盤(pán)柱塞泵的雙壓力調節系統的建模以及熱分析。 - This pump range is supplemented by gear pumps providing virtually pulseless flows and piston pumps for very accurate metering and highly corrosive fluids.
泵產(chǎn)品范圍還包括提供無(wú)脈沖流量的齒輪泵，以及提供精確計量和適用于強腐蝕性流體的柱塞泵。
