CHAFF 发表于 2025-3-21 18:57:21

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Flagging 发表于 2025-3-21 22:31:56

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arsenal 发表于 2025-3-22 03:03:03

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传染 发表于 2025-3-22 08:36:28

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mediocrity 发表于 2025-3-22 11:38:57

The use of bricks and blocks,e) points out that strength is not to be taken as an indication of durability. It is true that bricks of strength over 48 N/mm. are mostly durable although there are bricks of this order of strength which are badly affected by adverse climatic conditions such as alternating damp and severe frost. On

Madrigal 发表于 2025-3-22 16:51:13

The use of bricks and blocks,e) points out that strength is not to be taken as an indication of durability. It is true that bricks of strength over 48 N/mm. are mostly durable although there are bricks of this order of strength which are badly affected by adverse climatic conditions such as alternating damp and severe frost. On

激励 发表于 2025-3-22 20:26:11

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certain 发表于 2025-3-22 22:29:36

The use of concrete,crete. This is largely achieved by the simple variation of its ingredients. These generally consist of an aggregate of stone or other gravel, graded from dust up to a certain maximum size, bound together with a cementitious material such as Portland cement. Concrete can be designed quite precisely a

angiography 发表于 2025-3-23 04:38:18

Free-standing walls,l purpose as symbols demonstrating the authority, elegance and remoteness of those on one side of the wall from those on the other. Mainly, however, a wall’s purpose has been to divide space, control movement and to obstruct vision, thus giving privacy. In some cases walls are built to provide shelt

Silent-Ischemia 发表于 2025-3-23 07:29:17

Free-standing walls,l purpose as symbols demonstrating the authority, elegance and remoteness of those on one side of the wall from those on the other. Mainly, however, a wall’s purpose has been to divide space, control movement and to obstruct vision, thus giving privacy. In some cases walls are built to provide shelt
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查看完整版本: Titlebook: Walls; Robert Fisher Textbook 1972Latest edition Macmillan Publishers Limited 1972 building.civil engineering.construction.walls