... rail foot surface 钢轨底面 rail frog 钢轨辙叉 rail gang 铺轨队 ...
基于6个网页-相关网页
continuous-rail frog 连续钢轨辙岔
continuous rail frog [铁路] 连续钢轨辙岔
spring rail frog 弹簧辙叉
frog and guard rail 辙叉及护轨
Point rail of frog 叉心尖轨
rail bound manganese steel frog 钢轨组合锰钢叉心辙叉
rail and frog 钢轨与辙叉
rail frog
铁路的青蛙
以上为机器翻译结果，长、整句建议使用 人工翻译 。
He knelt down and crawled from the switch rails to the frog of the crossover, sliding his hand along the running surface and the head of the rail and feeling for possible corrugations or dents, or burrs shaved off by the wheels of the locomotives.
NEWYORKER: Among Animals and Plants
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