词汇	gain gain control
释义	gain gain control 时间增益控制
随便看	railway passenger traffic organization Railway Passenger Traffic Volume railway passenger train Railway passenger train guard railway passenger transport railway passenger transportation railway passenger transport hub railway passenger vehicle Railway Period for Conveyance Railway Period for Departure railway permanent ways maintaining railway personnel railway pier railway pile drivers railway pivot railway plan railway planning railway plans railway planting railway platform railway platform roof railway platform truck railway pluralistic operation enterprises railway point of frogs railway points