英语词汇“railroad subgrade”的翻译、意思、用法、释义-英汉汉英双解词典

单词	railroad subgrade
释义	railroad subgrade 铁路路基
随便看	normal flow normal flow direction normal flower graph normal flowrate normal flow rate normal flow year normal fluid normal fluid helium normal fluidity normal fluidization normal flying normal flying angle normal flysh normal focla mechanisms normal-focus earthquake normal fold normal font normal food chain normal food taking normal food-taking Normal foot pulse normal force normal-force normal force active contour model normal force characteristic