总线由数据总线、地址总线和控制总线组成。
参考答案:对
—This is Jackson. Can I speak to Peter?
—________, please. I'll see if I can find him for you.[ ]
A. Take your time
B. Hold on
C. Never mind
D. Leave it alone
起升机构制动器调节(),会使钢丝绳受到大的冲击。
A.过松
B.过重
C.任意位置
D.过紧