活柱和活塞杆镀层损坏的修理方法包括() ["钎焊发","电刷镀法","油石研磨法","电镀法","化学处理法"]
集成电路前端设计流程,写出相关的工具。
烧煮类菜肴较适宜的用盐比例为()。 ["A.0.5~1.0%","B.1.5~2.0%","C.2.5~3.0%","D.3.5~4.0%"]
给了reg的Setup和Hold时间,求中间组合逻辑的Delay范围。
一般来说,汤菜较适宜的用盐比例为()。 ["A.0.3~0.5%","B.0.8~1.0%","C.1.3~1.5%","D.1.8~2.0%"]
煤沥青的技术标准1#()1.15~1.21指标()0.13指标()5.0指标。