单词	initial stage of mining
释义	initial stage of mining 初采
随便看	Open and closed shelter deck ship open and close force open and close movement open and close opeation open and close operation open and close operator open and close speed open and close valve open and closing motion Open and decrypt a database open and development open and distance open and distance education Open and Distance.Education open and distance learning Open and Distance Learning Materials open and distributed systems Open and drainage open and dry system trichloroethylene inhaler open and dynamic linking open and elegant open and fairness open and fiat flow open and frank disposition open and free economy