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jan 1, 1937 - 巷道铺设成为全国趋势
Description:
巷道铺设已经成为全国趋势,混凝土铺设法进步是原因之一。( 铺路一直延续到今天,表面上是为了改善城市外观,降低维护成本,方便垃圾清除,方便出入。)
Added to timeline:
7 Mar 2020
0
0
268
alley of American
Date:
jan 1, 1937
Now
~ 87 years ago