This model, with PBS as sign system, delaminated according to time, information content and document type is a kind of project document code catalog integrated structure.是什么意思_This model, with PBS as sign system, delaminated according to time, information content and document type is a kind of project document code catalog integrated structure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句