The construction technology of turnover forms is an ideal technique in thin-wall voided pier construction,which can save forms,is convenient for operation and can ensure the dense degree of concrete.是什么意思_The construction technology of turnover forms is an ideal technique in thin-wall voided pier construction,which can save forms,is convenient for operation and can ensure the dense degree of concrete.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句