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English Translations » 生产及现场管理圈 » 【Production Version】Daily Question 20180114

【Production Version】Daily Question 20180114

2018-01-14View Original

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When using manually excavated jacking pipes, the groundwater level should be lowered to at least (　　) below the bottom of the pipes, and measures should be taken to prevent other water sources from entering the jacking pipe system. 　　A、0.5m 　　B、2m 　　C、1.0m 　　D、1.5m Correct answer: A
Reply #22018-01-14
When using manually excavated jumbo tubes, the groundwater level should be lowered to at least (　A　) below the bottom of the tube, and measures should be taken to prevent other water sources from entering the jumbo tube. 　　A、0.5m 　　B、2m 　　C、1.0m 　　D、1.5m
Reply #32018-01-14
When using manually excavated jumbo tubes, the groundwater level should be lowered to at least (　A　) below the bottom of the tube, and measures should be taken to prevent other water sources from entering the jumbo tube. 　　A、0.5m 　　B、2m 　　C、1.0m 　　D、1.5m

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Translated at 2026-07-21 05:26:48

Original: https://bbs.hcbbs.com/thread-1899525-1-1.html

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