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9 votes
9 votes
Cho biết tác dụng chung của các hệ giằng khung ngang nhà công nghiệp nhẹ 1 tầng 1 nhịp.

User Nick Partridge
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1 Answer

19 votes
19 votes
I don’t know how to speak the laungue or know this language
User Ali Yeganeh
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