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English Translations » 【仪表自控交流圈】 » Problem of filling cable trenches with sand

Problem of filling cable trenches with sand

2019-01-27View Original

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Question: What are the specific requirements for filling cable trenches with sand in explosion-proof areas? For example: What is the particle size of the sand? Fill the cable trench? Ban sea sand? Thank you, expert!
Reply #22019-01-27
Thank you for the answer! Which standard does it come from? The image is a bit blurry, and the details and text are not easy to see clearly.

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Translated at 2026-07-21 02:34:24

Original: https://bbs.hcbbs.com/thread-2276407-1-1.html

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