cu-pb-znBNC¹²⁶⁴¹⁶⁺⁴ 基本例句 🌏和宁镇 Cu-Pb-Zn, Sn W, and Fe ore- deposits are mostly associated with middle- acidic volcanic- intrusive rocks; 铜铅锌、锡钨；铁多与中-酸性火山-侵入岩有关； cnki Cu-Pb-Zn deposits in the Yanyuan basin are controlled by strata and structures. 盐源盆地中的铜铅锌矿体受地层、构造控制。 chemyq