单词	track lubricator
释义	track lubricator 钢轨涂油器
随便看	variable crown mill variable crown mill, VC mill variable crown roll variable-crown roll variable crrier modulation variable crystal filter variable crystal oscillator variable cultivating temperature variable current variable current efficiency variable current limit comparator Variable current quantity variable current technology variable curvature variable curvature cascade variable cut attachment variable cut device variable-cycle engine variable cycle jet engine variable cycle operation variable-cycle operation variable cycle pumping variable cycle RP-EKF variable cycle singing variable daily limit