【简答题】电线与电缆应该用什么样的挤出机头成型?电线与电缆在挤出机头在包覆工艺上有何区别?
【判断题】电缆与架空线路的主要区别是,具有绝缘层和保护层。()
【判断题】数量指标的表现形式是绝对数,质量指标的表现形式是相对数和平均数。( )
【简答题】有闲心思量( )她,没度量( )宽容她。野外测量( )要量( )力而行。 A. liàng;B. liáng
【单选题】Which of the following statements about the lab job is NOT true?
A.
The lab assistant is to make preparations for the experiments.
B.
The lab assistant works during the busy hours of the lab.
C.
The lab assistant will work ten hours per week.
D.
The lab assistant sometimes have to work in the morning.