电除尘器的主要结构有哪些?
参考答案:
静电除尘器的主要结构有:电晕电极(阴极线)、集尘电极(阳极板)、清灰装置(振打装置)、气流分布装置、壳体、保温箱、供电装置和输灰装置。
松饼为面团包入(ROLLIN)油脂再予折叠,形成很多层次,经烘烤成松酥之产品。
You believe that the likelihood of bankruptcy is 30% for Rusty Roof Supply. You also believe that Home Pedot has a 20% of entering bankruptcy. You believe that the two events are independent. What is the probability that at least one of the companies will enter bankruptcy
A.
B.
C.