A pump has a boltless cover that is held on the end of a housing of the pump by only a compressed ring between the cover and the housing.
一种具有无螺栓盖的泵，所述盖仅通过其与外壳之间的压缩环就能够被保持在泵的外壳的端部。
A pump has a boltless cover that is held on the end of a housing of the pump by only a compressed ring between the cover and the housing.
一种具有无螺栓盖的泵，所述盖仅通过其与外壳之间的压缩环就能够被保持在泵的外壳的端部。
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