差别感受性
参考答案:是对两个刺激量强度差别的感觉能力。
In the middle of the room there is a ______ table, with eight chairs around it.
A.round huge wooden
B.huge wooden round
C.round wooden huge
D.huge round wooden
路基及其排水、防护和加固设备,应符合《铁路路基大维修规则》的规定,并保持畅通和完好状态。