捞油车生产仪表主要有深度表和()。
A、进度表
B、长度表
C、重力表
D、张力表
参考答案:D
Questions 1-4
According to the talk, what dictionary is especially useful for scholars and researchers?()
A.A school dictionary.
B.A college dictionary.
C.A general dictionary.
D.A specialized dictionary.
架空乘人装置减速机噪音增大的原因()。
A.油量不足
B.紧固螺丝松动
C.未按规定的油号加油
D.轴承松动