Regh雷格regabbr.地区（=region）abbr.登记（=register）abbr.有规则的（=regular）regrinding tool重磨削工具regio parotidea腮区regulatory work调节功reginned cotton再轧棉regulating port调节孔regulating loop调节回路regrinding unit再磨机regreening date返青期regulating knob调整捏手,调整按钮regulating tank第水箱,调节槽,调节水箱