问题
问答题 简答题
电缆敷设时,对电缆盘距地面高度、转动力及速度有何要求?
答案
参考答案:电缆敷设时,盘边缘距地面不得小于100mm,电缆盘转动力量要均匀,速度要缓慢平稳。
电缆敷设时,对电缆盘距地面高度、转动力及速度有何要求?
参考答案:电缆敷设时,盘边缘距地面不得小于100mm,电缆盘转动力量要均匀,速度要缓慢平稳。
阅读下面对话,从方框内7个选项中选择5个恰当的句子完成此对话。
P:Hi, Lisa. Would you like to go for a ride with me? L:Great! P:Well, you don’t have to wear the seat belt(安全带). 小题1:. L:I’m sure you are. You know, not all drivers are as good as you. P: 小题2: . No one will stop us right now. L:Oh; no, no. We don’t obey traffic rules for the police. 小题3: P:I agree, but I feel uncomfortable wearing a seat belt. L:So do I, a little. 小题4: You would go flying if your car was hit while you are not wearing a seat belt. P:小题5:I am wearing it. Do you know who invented the seat belt? The man should be remembered. L:I don’t know. But Volvo, a famous Swedish car maker, was the first to use seat belts in 1849. |