车轮回动机构  wheel reversing gear

电式回动机构  electroreversing gear

皮带回动机构  belt reversing gear

气力回动机构  pneumatic reverse gear

直接回动机构  direct reversing gear

多回转电动执行机构  multi-rotary electric actuator

急回运动机构  quick-return mechanism

挑杆回转摆动机构  rotating and swinging mechanism for ram

厂用电动机回路  auxiliary electric motor loop

发动机回火  engine backfire

发动机回水  engine water return

发动机机油回路  engine oil circuit

发动机机油压力回路  engine oil pressure circuit

发动机机油压力输入回路  engine oil pressure input circuit

返回机构  return mechanism

急回机构  quick return mechanism; quick-return mechanism; Mechanism; Quick-return

履带张紧机构回路  track takeup circuit

速回机构  quick return mechanism

韦氏急回机构  whitworth quick return mechanism