Isbn: 9787504594747 - 正版全新 建筑施工安全知识百问百答 (1 resultados)

paperback. Condición: New. Paperback Pages Number: 112 Language: Chinese. Fully take into account the requirements of the reader level and learning objects to fit the cognitive law. cited in the form of Q and comic drawing in the text of the 100 workers in the labor in the production process should be aware of and master the management of production safety knowledge. In addition to the formal content of law prompted the expansion of the Links. the lesson of blood and Think and other related knowledge.…