Crack in concrete works is a widespread and intractable engineering practical problem.
混凝土工程裂缝问题是一个普遍存在而又难以解决的工程实际问题。
Crack problem in masonry structure is a pervasively existing but not readily soluble engineering practical problem.
砌体结构的裂缝问题是一个普遍存在而又难于解决的工程实际问题。
Crack problem in masonry structure is a pervasively existing but not readily soluble engineering practical problem.
砌体结构的裂缝问题是一个普遍存在而又难于解决的工程实际问题。
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