1·Description: metal lumps or ingots, silver grey with metallic lustre, easily oxidizable in air.
说明：金属锭或块，银灰色，有金属光泽，在空气中易氧化。
2·Optimum prescription and process conditions were established. The product has bright and beautiful metallic lustre and all the indices have reached the National Standard.
介绍了糊料和浆料的最佳工艺配方和工艺条件，产品具有亮丽的金属光泽，各项指标均达到国家标准。