| gravel |
Crushed rock material used in the construction of conventional septic system field lines or LPP lateral lines. The grade or size of gravel used depends on which type of system is installed.
출처: www.usinspect.com/septic/Septicterms.asp
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|---|---|
| gravel |
Soil particles ranging from 1/5 inch to 3 inches in diameter. 2
출처: www.sukut.com/help/definitions.php
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| gravel |
Granular material resulting from abrasion and natural disintegration of rock that is predominately held on the #4 (4.76 mm) sieve.
출처: www.constructionwork.com/resources_details_1391agg...
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| gravel |
is from 2 mm to 64 mm
출처: www.aglearn.net/isfmMod2.html
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