词汇	cement-based gradient
释义	cement-based gradient 水泥基梯度功能材料
随便看	RAILWAYS,RAILROADSsignalling RAILWAYS,RAILROADSsystems RAILWAYS,RAILROADSvehicles RAILWAYS,RAILROADSvehicles profile gauges RAILWAYS,RAILROADSvehicle wheels or axles Railways ramified all over the country railways signal power source railway stake railway stamp railway stamps railway standard limit railway station railway-station rail way station railway station and depot railway station announcer Railway Station Application System railway station area railway station building railway station building design railway station communication railway station communication system railway station design Railway station gateway railway station insurance