Question bank of “building economy, construction and design business management” of first class Registered Architect in 2021

The official account of the e-book question bank, the detailed explanation of the answers and the detailed video explanation, are concerned about the public number of the Star LAN Hai learning network, the annual membership fee, and the free use of 10000 e-books, and the clicks of the xlh.100xuexi.com.

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