Gray Copper Ore [矿物] 黝铜矿

antimonial gray copper ore 含锑黝铜矿

gray copper dial 灰白色表盘

gray copper scab 灰痂病

gray copper grunt 黑鳍髭鲷

gray copper poplar 灰杨

gray copper polypody 水龙骨

gray copper leaf spot 灰色叶斑病

gray copper wedge sensitometer 灰楔感光仪