海词手机词典

The main useful constituents of the deposit are Pb, Zn, Cu, Ag associated with Sn, In, Ga and Cd, etc. Lead isotopic composition of the ore is different from those of the ore hosted Hercynian granite and the Yanshaniangranite outside the ore region.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌