一般车床的导轨与工件中心的距离完全等于10倍导轨宽度。
参考答案:错
I have got to the point ________ I must adjust myself to the new life. [ ]
A. what
B. which
C. where
D. that
下列引起右室压力负荷过重的是()
A.三尖瓣关闭不全
B.肺动脉瓣关闭不全
C.静脉回流量增高
D.肺动脉高压
E.严重贫血