An important environmental change in the global environment is the growth of international competition.
查看答案
Technology helped the manufacturing industry to become more productive.
A. 对
B. 错
Producing a high-quality product will ensure success in the competitive environment.
A. 对
B. 错
如果硅片四周的N型硅没有刻蚀干净，就会导致生产出的电池片
A. 短路
B. 断路
C. 正常，无问题
D. 爆炸
4.9 湿法刻蚀后续用臭氧进行处理的作用是：
A. 增加对紫外线的吸收
B. 防止碎片
C. 增强抗PID的性能
D. 减小硅片电阻
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