常見例句雙語例句The simplest type of road, built to carry little traffic, is made by scraping and pushing the earth with a grader.為擔(dān)負(fù)少量運(yùn)輸量而修筑的最簡易的道路是用平地機(jī)將地面推鏟平整而成的。 返回 scraping grader