| 摘要 |
A conduit for supplying a fluid and damping pressure pulsations in the fluid, the conduit having an outer pipe and an inner pipe housed inside the outer pipe, and the outer pipe having a small-diameter intermediate portion cooperating in fluidtight manner with the inner pipe; the inner pipe therefore defines with the outer pipe a first annular chamber and a second annular chamber located on opposite sides of the intermediate portion, and has a number of intermediate holes connecting the inner chamber of the inner pipe to the first and second annular chamber.
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