According to the type structure of height-changing section, we used the steel-form jackplane to conduct concrete lining of first bottom slab and then side and top arch concrete lining way.是什么意思_According to the type structure of height-changing section, we used the steel-form jackplane to conduct concrete lining of first bottom slab and then side and top arch concrete lining way.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句