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问题1:当代筑路机械正在向大型化发展,而小型机械也不断得到普及,请你简单叙述其发展理由与现状.解答:筑路机械大型化发展趋势,已经无需论证.大型化是世界发展趋势,特别对日本来说,促进大型化的两种理由是:(1)工程规模及结构物的大型化措施(2)省力化措施以土方工程为例,在日本目前超过100万 m~3的土方施工工程为数不少,目前已经进入突破1000万 m~3工程大关的时代.作为
Question 1: The current road construction machinery is being developed to large scale, and small machinery is also gaining popularity. Please briefly explain its development reasons and current situation. Answer: The trend of large-scale development of road construction machinery has already been proved without necessity. Large-scale development is the development of the world. Trends, especially for Japan, are two reasons for promoting large-scale development: (1) Project size and structure enlargement measures (2) Labor-saving measures Taking earthworks as an example, currently over 1 million m 3 in Japan There are a large number of earthwork construction projects that have entered the era of breaking the 10 million m~3 project mark.