【判断题】在选择导线时必须考虑线路投资,但导线截面积不能太小。
【单选题】在综合布线系统中,下面有关光缆布放的描述,说法有误的一项是()。
A.
光缆的布放应平直,不得产生扭绞、打圈等现象,不应受到外力挤压或损伤
B.
光缆布放时应有冗余,在设备端预留长度一般为5~lOm
C.
以牵引方式敷设光缆时,主要牵引力应加在光缆的纤芯上
D.
在光缆布放的牵引过程中,吊挂光缆的支点间距不应大于1.5m
【判断题】选择导线时必须考虑线路投资,但导线截面积不能太小。(
【单选题】即使大选失利,他仍将控制国家的对外政策。
A.
Even though / if he loses the election, he will still have control over the country’s foreign policy.
B.
Even though / if he loses the election, but he will still have control over the country’s foreign policy.
【单选题】以下方剂为钱乙化裁古方创制的新方是( )
【简答题】即使大选失利,他仍将控制国家的对外政策。
【判断题】在选择导线时必须考虑线路投资,但导线截面积不能太小.
【简答题】在选择导线时必须考虑线路投资,但导线截面积()。
【单选题】即使大选失利,他仍将控制国家的对外政策。
A.
As if he loses the election, he will still have control over the country’s foreign policy.
B.
If he loses the election, he will still have control over the country’s foreign policy.
C.
Even though he loses the election, he will still have control over the country’s foreign policy.
【判断题】在选择导线时必须考虑线路投资,但导线截面积不能太小。