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常見例句
- The rainwater seepage question on the flat roof of building construction has been perplexing project for builder and house user. The main position of its seepage lies in lashing.
房屋建筑平屋頂?shù)挠晁疂B漏問題一直困擾著廣大工程建設者和房屋使用者，其滲漏的主要部位在于泛水。 返回 question builder