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drain
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Tube used to drain fluid accumulations after surgery
출처: urology.ucsf.edu/patientGuides/termsD.html
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drain
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Volume of wood removed from the forest in a given time; total drain is the sum of wood felled and natural mortality
출처: english.forestindustries.fi/glossary/D.html
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drainage
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Formation of a paper or board web on the wire by removing water at the paper machine wet end
출처: english.forestindustries.fi/glossary/D.html
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drag
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A slow freight.
출처: www.lionel.com/GettingStarted/Guides/a-f.html
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drag
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The hydrodynamic forces exerted on the components of a tow assembly that tend to reduce its forward motion. It is important for a towbody to be streamlined for drag reduction. However, cable drag quickly becomes a major factor in towbody altitude when working with in-water lengths of hundreds or thousands of meters.
출처: www.instituteformarineacoustics.org/SonarPrimer/da...
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