| 摘要 |
A cover for a heat exchange element basket assembly includes a metal sheet and at least one lifting lug. A vertical groove extends inward from the outer surface of the metal sheet. Each lifting lug is a horizontal plate having an opening extending vertically there through, an outer edge, and a shape which is substantially complementary to the cross-sectional profile of the groove. The lifting lug is mounted within the groove, such that the outer edge of the lifting lug does not extend beyond the outer surface of the metal sheet.
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