Where can Anqing purchase chemistry experiment equipment and material?
2
它们是化学实验室常备器材。
They are the basic instruments in the chemistry lab.
3
实验研究了普通陶器材料化学镀镍的操作方法、工艺条件及各种因素对镀层的影响。
The operating methods, the process and the influence of several factors on the nickel-plating on the surface of ordinary pottery were studied by the experiment.