Sands soil district thin-wall multi-arch bank protecting wall is a structure of cantilever sustain and thin-wall multi-arch with out soleplate.是什么意思_Sands soil district thin-wall multi-arch bank protecting wall is a structure of cantilever sustain and thin-wall multi-arch with out soleplate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句