auxiliary bus分支母线auxiliaryn.助动词；辅助物；帮助者adj.辅助的；附加的auxiliary feedwater辅助供水auxiliary ventricle辅助心室auxiliary transport辅助运输auxiliary chemicals化工助剂auxiliary equalizer辅助均衡器auxiliary fuel tank备用油箱,辅助燃料箱auxiliary functions辅助函数auxiliary workshops辅助车间auxiliary structure辅助建筑物auxiliary reflector辅助反射器