Pom Rods yog qhov tsim nyog rau

Pom cov khoom siv caij nplooj ntoos hlav, cov hmoov av, cam disc (eccentric), cam teeb meem, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob, cov khoom siv hluav taws xob ua haujlwm ntev hauv t ° 60-80 ° C.