Trailer skirt

A trailer skirt or side skirt is a device affixed to the underside of a semi-trailer, for the purpose of reducing aerodynamic drag caused by air turbulence. Trailer skirts have been recognized by the U.S. Environmental Protection Agency's SmartWay Transport Partnership as a verified aerodynamic technology, eligible for funding under the Diesel Emissions Reduction Act.

单词	Side skirt
释义	Side skirt 英语百科 Trailer skirt A trailer skirt or side skirt is a device affixed to the underside of a semi-trailer, for the purpose of reducing aerodynamic drag caused by air turbulence. Trailer skirts have been recognized by the U.S. Environmental Protection Agency's SmartWay Transport Partnership as a verified aerodynamic technology, eligible for funding under the Diesel Emissions Reduction Act.
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Side skirt

Trailer skirt