两尖轨尖端的相错量可作为道岔的爬行量。
参考答案:对
All the newspapers the trade talks between China and the United States.
A.leading;printed
B.leading;reported
C.led;published
D.led;announced
创造力是以()为基础,对客观事物或现象进行重新组合。
A.智商
B.已知信息
C.知识
D.实践