【化】 径向多活塞式泵

rolling piston radial pump multiple piston pump radial multiple radial pump radial type pump piston radial pore multiple rotary block radial pump radial plunger oil pump radial plunger type motor piston valve pump triplet piston pump radial multiplepiston type of pump radial piston pump multiple-piston pump multiple piston rotary pump multiple-piston rotary pump piston type dosing pump piston type fuel pump piston-type pump piston type metering pump piston-type rctary pump