| 摘要 |
A water pump of an engine includes a pump housing adapted to be fixed to the engine; a pump body joined to the pump housing to define a fluid chamber of the water pump between the pump body and the pump housing; and a rotational pump shaft member extending through the pump body into the fluid chamber. A fastener set for fastening the pump housing and the pump body together includes a housing-side fastener or bolt extending in a direction along the rotational pump shaft member from the pump housing's side to the pump body's side.
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