Khetho ea mofuta oa li-valve tse laolang khetho ea li-valve tse laolang
Khetho ea mofuta oa li-valve tse laolang khetho ea li-valve tse laolang Ho na le mefuta e mengata ea li-valve tse laolang, tse sebelisoang hangata ke setulo se otlolohileng se le seng, setulo se otlolohileng habeli, Angle, diaphragm, phallo e nyane, litsela tse tharo, eccentric rotation, serurubele, mofuta oa matsoho, .. .
lintlha tsa pono