单词	low copper mine
释义	low copper mine 低品位铜矿
随便看	electronically tuned oscillator electronically varialble delay line Electronical map electronical marketing channel Electronical Medium electronical model electronical modules electronical-optical Q-switched electronical products electronical pulse stimulation electronical standard voltage source electronical tag electronical technology electronical technotogy electronic alternating-current voltmeter electronic alternating voltage regulator electronical time relay electronic altimeter electronic altimeter set Electronic Altitude Director Indicator Electronic Altitude Display Indicator electronical,ultraound scanner electronic aluminium foil electronic aluminum foil electronical white-board