RM80清筛车转向架轴距为（）。
A、1730mm
B、1830mm
C、1930mm
D、2030mm
参考答案：B
非变形腈纶长丝单纱（捻度为100转/m）
--Can I help you?
--I'd like to buy a present for my father's birthday, ___________ at a proper
price but of great use.
A．one
B．anyone
C．that
D．everything
