【Daily Question】Utilities - Civil Engineering - 20200330

2020-03-30View Original

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The surface of the wall substrate should be free of impurities such as dust, oil stains, release agents, delamination, and weathering. The holes for bolts passing through concrete walls should be filled tightly layer by layer with dry-hard mortar, and then smoothed out in (()) ； The residual mortar and loose dust on the surface of the masonry wall should be removed thoroughly, and the scaffold openings should be filled layer by layer. A. Inside the wall B. Outside the wall C. On both sides of the wall D. Inside the wall Answer: A

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【Daily Question】Utilities - Civil Engineering - 20200330

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