Regh雷格
regabbr.地区(=region)abbr.登记(=register)abbr.有规则的(=regular)
regulating rule调节规律
regulating gear调节齿轮
regenerator jam蓄热室堵塞
regetation type植被类型
regulating ring调整圈,蝶环
regulating link调整联杆
regonal economy区域经济
regulating unit第装置
regulating load调节负载
regio mastoidea乳突区