That's the more usual one, with " shd" .
这是更常见的一个，带有“shd”。
SHD
原声例句
Engvid-Gill-课程合辑
英语百科
Shenandoah Valley Regional Airport
（重定向自SHD）
Shenandoah Valley Regional Airport (IATA: SHD, ICAO: KSHD, FAALID: SHD) is a public airport located 10 nautical miles (12 mi, 19 km) northeast of the central business district of Staunton, a city in Augusta County, Virginia, United States. It is mostly used for general aviation, but is also served by one commercial airline. Service is subsidized by the Essential Air Service program.
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