加冕
发表于 2025-3-21 19:18:23
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stress-response
发表于 2025-3-21 22:45:44
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招募
发表于 2025-3-22 02:02:33
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Vsd168
发表于 2025-3-22 05:17:38
r readers must decide. My good friend and associate, J. T. (Terry) McGuire, and I have been working very closely together for a long time. Our view of engineering problems and of their solutions coincide to an astonishing degree. When I was asked to prepare a second edition of my book Centrifugal Pu
吹牛大王
发表于 2025-3-22 12:02:10
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Coma704
发表于 2025-3-22 14:29:00
,Einleitung. Historische Übersicht,ed, the term stuffing box is still widely understood to mean the shaft seal, regardless of the type. For this reason, retaining the existing title of this chapter uses a familiar term to introduce a very important subject.
Coma704
发表于 2025-3-22 17:33:45
https://doi.org/10.1007/978-3-642-99599-6, the early 1950s, mechanical seals were not able to demonstrate the dependability necessary for such a critical application. Today the circumstances are different; mechanical seals are an equal contender for such services.
Petechiae
发表于 2025-3-22 23:35:47
Hydraulic Balancing Devicese the sum of the individual impeller thrusts. The thrust magnitude (in pounds) will be approximately equal to the product of the net pump pressure (in pounds per square inch) and the annular unbalanced area (in square inches). Actually the axial thrust turns out to be about 70 to 80 percent of this theoretical value (see Chap. 5).
古董
发表于 2025-3-23 03:02:24
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有权
发表于 2025-3-23 06:39:55
Breakdown Seals, the early 1950s, mechanical seals were not able to demonstrate the dependability necessary for such a critical application. Today the circumstances are different; mechanical seals are an equal contender for such services.