登入
選單
返回
Google圖書搜尋
Noise from Pneumatic Rock Drills
John William Chester
Robert T. DeWoody
William C. Miller
其他書名
Shape and Exit Noise of an Exhaust Muffler
出版
U.S. Department of the Interior, Bureau of Mines
, 1964
URL
http://books.google.com.hk/books?id=LEwez_RJurgC&hl=&source=gbs_api
EBook
FULL_PUBLIC_DOMAIN
註釋
Studies were made to determine the effect of the shape of a pneumatic-rock-drill exhaust muffler on its efficiency, and the origin and reduction of exit noise from the mufflers. The report describes the investigation of rock-drill noise abatement.