词汇	kolen
释义	kolen 科伦
随便看	valve less piezoelectric pump valve-less piezoelectric pump valveless piston expansion engine valveless pulsejet valveless pump Valve-less pump valveless tire valveless tyre valveless vertical flow constructed wetland valveless water filter valvelet valvelets valve level leakage steam system valve lever valve-lever valve lever bracket valve lever bushing valve lever clamp valve lever clearance valve lever dump valve lever fulcrum shaft valve lever pin valve lever push rod valveless valve-less