Road maintenance work was very difficult, because the maintenance workers can only transfer heavy materials on their shoulders.
养护只有通过人力来进行，运输材料也只能靠肩挑背扛，养护起来特别困难而且特别辛苦。
Road maintenance
原声例句
CRI在线 2019年7月合集
精选英语短文
When it comes to winter road maintenance, Finland is a very forward-thinking country.
在冬季道路维护方面， 芬兰是一个非常有远见的国家。
经济学人 Science and technology
They are used to forecast the weather, anticipate road maintenance and diagnose diseases.
它们用于预测天气、预测道路维护和诊断疾病。
英语百科
Road
A road is a thoroughfare, route, or way on land between two places that has been paved or otherwise improved to allow travel by foot or some form of conveyance, including a horse, cart, bicycle, or motor vehicle.
Roads consist of one or two roadways (British English: carriageways), each with one or more lanes and any associated sidewalks (British English: pavement) and road verges.
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