Panacea
发表于 2025-3-25 06:58:14
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致敬
发表于 2025-3-25 10:58:08
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反叛者
发表于 2025-3-25 14:09:16
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hangdog
发表于 2025-3-25 19:38:54
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phase-2-enzyme
发表于 2025-3-25 20:05:46
https://doi.org/10.1007/1-4020-3863-1ncerned with the drafting of specification clauses covering the provision and laying of water mains and ancillary work, but most of the clauses will be equally applicable to gas mains and oil pipelines.
Interim
发表于 2025-3-26 02:15:17
https://doi.org/10.1007/978-1-349-06610-0civil engineering; engine; engineering
Innovative
发表于 2025-3-26 05:17:45
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外形
发表于 2025-3-26 11:12:53
Specification of Earthwork,ted material, some jobs require the execution of more specialised forms of excavation work, such as tunnel work and dredging. In addition it is customary to include, under the general heading of ‘Earthwork’, specification requirements covering ancillary works such as timbering and keeping excavation
蚊子
发表于 2025-3-26 13:26:21
Specification of Timberwork,res, and of their associated labours. Civil engineering jobs do, on occasion, contain subsidiary items of timberwork, such as scumboards on sewage disposal works, wooden steps and footbridges. Some contracts include a small amount of building work, such as pumping stations which can incorporate a nu
松软无力
发表于 2025-3-26 18:02:26
Specification of Sewers and Drains,iety of materials. The specification will also pick up associated operations such as excavation, timbering, backfill, etc., of sewer trenches, concrete protection to pipes and testing pipes. Where large-diameter sewers are to be laid in tunnel, the provision, jointing and grouting of shaft and tunne