Da: liu xing, Nanjing, JS, Cina
paperback. Condizione: New. Paperback. Pub Date: 2021-03-01 Pages: 206 Language: Chinese Publisher: China Environmental Publishing Group. in order to help candidates review the exams in a time-saving and efficient manner. we have summarized the exam questions over the years and adopted new laws and regulations. Based on the technical guidelines. standards and methods. and in strict accordance with the requirements of this years examination syllabus. we have carefully compiled 800 questions on the basis of environmental . Codice articolo NT004251
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