英语词汇“沉碴垫层”的翻译、意思、用法、释义-英汉汉英词典

单词	沉碴垫层
释义	沉碴垫层 chén chá diàn céng ballast mattress
随便看	test irradiance testis testis atrophy testis graft testis (or testicle) testis (pl. testes) testis (pl. testes)-- testicle testis (pl. testes)， testicle testis supporting cells testis--testes--testicle testis--testicle testis，ectopic testis，incompletely dcscended testis ， testicle test item test item taker test item taker--tit test item taker，tit testitis test it, to, test jack test joint test junction test key test lamp