英语词汇long steep grade怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

1
?长大坡度
... culvert on steep grade 陡坡涵洞 long steep grade 长大坡度 sustained steep grade 持续陡坡 ...

1
She drove up a steep grade and then began the long descent into the desert.
她驾车爬上一个陡坡，然后开始长长的下坡进入沙漠。
《柯林斯英汉双解大词典》
2
Based on special experiments, this paper is devoted to several technical issues of run - away of freight trains during long detention on electrified steep grade and associated countermeasures.
结合专门试验论述了货物列车在大坡道上长时间停留时溜逸与防溜的若干技术问题。

单词	long steep grade
释义	long steep grade 简明释义长大坡度网络释义 1 ?长大坡度 ... culvert on steep grade 陡坡涵洞 long steep grade 长大坡度 sustained steep grade 持续陡坡 ... 双语例句 1 She drove up a steep grade and then began the long descent into the desert. 她驾车爬上一个陡坡，然后开始长长的下坡进入沙漠。《柯林斯英汉双解大词典》 2 Based on special experiments, this paper is devoted to several technical issues of run - away of freight trains during long detention on electrified steep grade and associated countermeasures. 结合专门试验论述了货物列车在大坡道上长时间停留时溜逸与防溜的若干技术问题。
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