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

词汇	sub-ballast
释义	sub-ballast 补助道床；下层道床
随便看	wax spatula wax spoon wax spot wax stabilizer wax stain wax statue wax stencil film wax stock wax stone wax storage wax storge wax string wax substrate wax swager wax sweater wax-sweating wax sweating process Wax synthase wax synthetase wax tablet wax tailings wax taper wax template wax test wax the floor