基本解释蜗轮箱英汉例句双语例句Foundry technologies of the large-scale worm gear case formed by using lots of cores in impression and appearance are designed by analysis of casting structural characteristics.大型蜗轮箱体铸件结构复杂，大量使用型芯做出型腔和型体。worm-gear case更多例句专业释义机械工程蜗轮箱