Bi microparticle的用法和样例：
例句
- However, in the eutectic SnBi solder joints, the constituted elements are Sn and Bi.
但是，在共晶锡铋焊点中，组成的元素为锡和铋而非单一元素。 - The test research to optimize processing parameters had been carried out systemically for Bi roughing of certain multi-metal ore containing Bi, Zn and Fe.
对某铋锌铁多金属矿的铋粗选工艺进行了系统的参数优化试验研究。
