Single or Dua Tri-metal Precision-Fit Distance Pieces Crankshaft Lubricated or Nonlubricated NACE Compliant configurations Construction Ductile Iron and Available Forged Steel Forged Steel Forces and Couples Balanced Pressure Alloy Steel Piston Rods lon- Nitrided Lubricated One-Piece to 64 Rc stainless Crossheads Steel Rods and Tungsten Carbide 1. Nonmetallic Wear 往复活塞式压缩机组 单作用动画 双作用动画 2022-2-11 绪论 282022-2-11 绪论 28 往复活塞式压缩机组 单作用动画 双作用动画