维基百科

File:ReciprocatingCompressor.jpg

ReciprocatingCompressor.jpg （300 × 231像素，文件大小：16 KB，MIME类型：image/jpeg）

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English: This photo of a small six-cylinder reciprocating compressor was obtained on March 23rd, 2007 from a USA government agency website at http://www.bfrl.nist.gov/863/HVAC/pubs/PDF/Vibe%20Test%20NISTIR%207183.pdf and was located on page 13 of the 31 pdf pages. The article was entitled "NISTIR 7183 Vibration Signatures for Three Positive Displacement Compressors". - mbeychok 18:10, 23 March 2007 (UTC)
来源 US gov
作者 英语维基百科的Mbeychok

许可协议

Public domain
This image or file is a work of a United States Department of Commerce employee, taken or made as part of that person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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  • 2007-03-23 18:10 Mbeychok 300×231× (15911 bytes) This photo of a six-cylinder reciprocating compressor was obtained on March 23rd, 2007 from a USA government agency website at http://www.bfrl.nist.gov/863/HVAC/pubs/PDF/Vibe%20Test%20NISTIR%207183.pdf and was located on page 13 of the 31 pdf pages. The a

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当前2009年10月13日 (二) 22:072009年10月13日 (二) 22:07版本的缩略图300 × 231（16 KB）Cantons-de-l'Est{{Information |Description={{en|This photo of a small six-cylinder reciprocating compressor was obtained on March 23rd, 2007 from a USA government agency website at http://www.bfrl.nist.gov/863/HVAC/pubs/PDF/Vibe%20Test%20NISTIR%207183.pdf and was located

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